1.
What was Radiant AI, anyway?
(What was Radiant AI, anyway?)

Summary of Radiant AI and Its Legacy in Oblivion

Radiant AI was an ambitious artificial intelligence system developed for The Elder Scrolls IV: Oblivion, aimed at creating a dynamic and immersive game world. It promised over a thousand non-player characters (NPCs) that would have their own schedules and make independent decisions based on their needs, like where to eat or how to obtain food. This idea was first introduced in promotional materials and demos leading up to the game's release in 2006.

Despite the hype, the actual implementation of Radiant AI was less impressive than promised, leading to disappointment among fans. Many features were cut or simplified, and the system did not function as autonomously as suggested. Discussions around Radiant AI have persisted for years, especially following recent remasters of Oblivion, reigniting interest in what it was supposed to be versus what it became.

The legacy of Radiant AI continues in later Bethesda games, influencing AI systems in titles like Fallout 3, Skyrim, and Fallout 4. However, many believe that the initial vision of Radiant AI was never fully realized, leading to ongoing debates and myths about its capabilities. This article seeks to clarify the history, promises, and actual outcomes of Radiant AI, drawing on extensive research and community discussions.

Author: paavohtl | Score: 52

2.
Why We're Moving on from Nix
(Why We're Moving on from Nix)

Jake Runzer announced the release of Railpack, a new builder for the Railway platform, designed to improve upon Nixpacks, which has been in use for nearly three years. While Nixpacks served most users well, it had limitations that affected around 200,000 users. Railpack aims to enhance user experience and scalability as Railway grows from 1 million to 100 million users.

Key features of Railpack include:

  • Granular Versioning: Allows for specific versioning of packages.
  • Smaller Builds: Reduces image sizes by 38% to 77%, speeding up deployment times.
  • Better Caching: Uses BuildKit for more efficient caching and control over build layers.

Railpack addresses issues with Nixpacks, particularly its complicated version management and large image sizes. The transition to Railpack involved changing the codebase from Rust to Go and improving how builds are constructed.

The Railpack process consists of three steps: Analyze, Plan, and Generate. This approach allows for better control and efficiency in building images.

Railpack is currently in Beta and supports various programming languages, including Node, Python, and Go, along with popular frameworks for static sites. It is open source, with documentation available online. Users can opt in to use Railpack today.

Author: mooreds | Score: 101

3.
Low-Level Optimization with Zig
(Low-Level Optimization with Zig)

Summary of "Optimizations with Zig"

The article discusses the importance of program optimization, emphasizing how well-optimized programs can save costs and improve performance. It highlights that while compilers are good at optimization, they may not always produce the best code. Low-level languages, like Zig, allow for better optimization because they provide more information about the programmer's intent.

Zig’s features, such as built-in functions and compile-time execution (comptime), enhance its optimization capabilities. Comptime enables code generation at compile-time, allowing for more efficient programs without the complexity of traditional macros. Unlike macros that alter the program structure, Zig's comptime runs regular code during compilation, making it easier to use.

The article also provides examples of how using comptime can optimize string comparison functions, producing more efficient assembly code. Overall, the author advocates for Zig as a powerful tool for writing performant code and encourages readers to explore its capabilities.

In conclusion, the author believes that Zig simplifies the optimization process and encourages creativity in coding, moving beyond the limitations of other programming languages.

Author: Retro_Dev | Score: 163

4.
The time bomb in the tax code that's fueling mass tech layoffs
(The time bomb in the tax code that's fueling mass tech layoffs)

No summary available.

Author: booleanbetrayal | Score: 1084

5.
If it works, it's not AI: a commercial look at AI startups (1999)
(If it works, it's not AI: a commercial look at AI startups (1999))

No summary available.

Author: rbanffy | Score: 41

6.
A tool for burning visible pictures on a compact disc surface
(A tool for burning visible pictures on a compact disc surface)

Summary of CDImage Tool

CDImage is a tool designed for burning images onto compact discs. The project was inspired by earlier successful attempts by users on Instructables and others. The creator acknowledges these contributions and has worked to improve the tool, including creating a user-friendly interface and updating the code for modern use.

Key Points:

  • Building the Tool: Users need the Qt 6 library to build CDImage. For Windows users, a binary version is available, though it hasn't been thoroughly tested.
  • CD Compatibility: The tool requires specific disc geometries, and if a disc isn’t listed, users must manually input its dimensions, a process that can be challenging and result in wasted discs.
  • Using the Tool: Users can load high-contrast images, adjust them, and create audio tracks. The output is a large audio file suitable for burning to a CD.
  • Calibration Challenges: Calibrating different discs involves complex optimization and may require multiple iterations to achieve a clear image. The creator suggests potential improvements, including automated calibration using AI.
  • Further Exploration: The creator encourages sharing ideas and provides links for additional reading on related techniques and standards.

Overall, CDImage is a tribute to the compact disc era, allowing users to experiment with burning images, while noting the technical challenges involved.

Author: carlesfe | Score: 60

7.
Researchers develop ‘transparent paper’ as alternative to plastics
(Researchers develop ‘transparent paper’ as alternative to plastics)

No summary available.

Author: anigbrowl | Score: 327

8.
The FAIR Package Manager: Decentralized WordPress infrastructure
(The FAIR Package Manager: Decentralized WordPress infrastructure)

A new initiative called FAIR (Federated and Independent Repositories) is emerging in the WordPress ecosystem to address issues of centralization and governance. This movement was sparked by discussions about the need for better options and governance reforms within WordPress, highlighted by an open letter from core contributors.

FAIR aims to create a decentralized distribution system for WordPress plugins and themes without forking the existing platform. It is overseen by a community-led Technical Steering Committee (TSC) and operates under the Linux Foundation. The project focuses on improving infrastructure and governance while maintaining compatibility with WordPress.org.

The goal is to give users more control over plugin delivery and foster a more accountable system for the WordPress community. FAIR is a collaborative effort involving many contributors, and those interested in supporting the open web and WordPress's evolution are encouraged to get involved. More information can be found at fair.pm.

Author: twapi | Score: 149

9.
Unfit for Work – The startling rise of disability in America
(Unfit for Work – The startling rise of disability in America)

Summary:

The number of Americans receiving disability benefits has dramatically increased over the past 30 years, with 14 million people now relying on government assistance. This rise in disability claims occurs despite improvements in medical care and laws against workplace discrimination. Many individuals on disability do not work and are not counted in unemployment statistics, highlighting a growing, hidden safety net in the U.S. economy.

In Hale County, Alabama, nearly 25% of working-age adults are on disability, often for conditions that are subjectively assessed, such as back pain or mental health issues. The process of determining disability is complex and can vary widely from person to person. Many individuals who might be able to work in adjusted roles do not see options for employment that accommodate their conditions.

Moreover, the closure of many traditional jobs has led some individuals, like former mill workers, to seek disability benefits instead of retraining for new roles. This shift has created a situation where disability has become a form of support for those with limited job skills or education.

There is also a significant number of children receiving disability benefits, often for learning disabilities. Families can become dependent on these benefits, which may discourage children from striving for independence and success in school.

The growth of disability programs raises questions about the effectiveness and sustainability of these systems, as they are expensive and can lead to long-term poverty for recipients. The overall economic landscape is changing, and while some see disability as a necessary safety net, others argue it reflects deeper issues within the labor market and societal support systems.

Author: pseudolus | Score: 13

10.
Getting Past Procrastination
(Getting Past Procrastination)

Getting Past Procrastination: Key Points

  • Focus on Productivity: Establish systems that help you stay productive consistently.
  • Author: The article is written by Rahul Pandey, founder of Taro, a career platform for tech professionals.
  • Date: Published on June 5, 2025.
  • Topics Covered: The article discusses career development and practical strategies for overcoming procrastination, especially in tech careers.

In summary, to overcome procrastination, create effective systems that enhance your productivity.

Author: WaitWaitWha | Score: 189

11.
Hate Radio
(Hate Radio)

The text discusses the themes of conflict and peace. It highlights how conflicts can arise in various situations and the importance of finding ways to resolve them peacefully. The focus is on understanding the causes of conflict and the benefits of promoting peace in communities. Ultimately, it emphasizes the need for dialogue and cooperation to achieve harmony.

Author: thomassmith65 | Score: 18

12.
How we decreased GitLab repo backup times from 48 hours to 41 minutes
(How we decreased GitLab repo backup times from 48 hours to 41 minutes)

Repository backups are essential for disaster recovery, but as repositories grow, creating reliable backups becomes more difficult. For example, our Rails repository used to take 48 hours to back up, which was impractical. The problem stemmed from an outdated Git function that was inefficient for large repositories.

We identified that the Git command used for backups had a performance issue due to its complexity, which increased exponentially with the number of references in the repository. This made backups time-consuming and resource-intensive, often leading to risks of failure and interruptions.

To fix this, we improved the algorithm used in the Git command, replacing inefficient nested loops with a more efficient mapping structure. This change reduced backup time from 48 hours to just 41 minutes, resulting in significant performance gains and reduced server load.

For GitLab customers, this enhancement means:

  • Faster Backups: Teams can now schedule nightly backups without disrupting development.
  • Improved Recovery: Organizations can recover data much quicker, minimizing downtime.
  • Cost Savings: Shorter backup times reduce resource consumption and cloud costs.
  • Future Scalability: As repositories grow, backup processes can scale without compromising performance.

Starting with GitLab version 18.0, all customers can benefit from these improvements without needing additional configuration. This project reflects our commitment to providing scalable, efficient Git infrastructure for all users.

Author: immortaljoe | Score: 470

13.
Gander (YC F24) Is Hiring Founding Engineers and Interns
(Gander (YC F24) Is Hiring Founding Engineers and Interns)

No summary available.

Author: arjanguglani | Score: 1

14.
Why are smokestacks so tall?
(Why are smokestacks so tall?)

No summary available.

Author: azeemba | Score: 128

15.
A year of funded FreeBSD development
(A year of funded FreeBSD development)

No summary available.

Author: cperciva | Score: 310

16.
Sharing everything I could understand about gradient noise
(Sharing everything I could understand about gradient noise)

No summary available.

Author: ux | Score: 101

17.
The Illusion of Thinking: Understanding the Limitations of Reasoning LLMs [pdf]
(The Illusion of Thinking: Understanding the Limitations of Reasoning LLMs [pdf])

Summary: Understanding Large Reasoning Models (LRMs)

Recent advancements in language models have led to the development of Large Reasoning Models (LRMs), which are designed to demonstrate detailed reasoning processes before arriving at answers. While these models show improved performance on reasoning tasks, their strengths and weaknesses are still not fully understood.

Current assessments mainly focus on final answer accuracy using traditional math and coding benchmarks, which often suffer from data contamination and do not reveal the quality of the reasoning process itself. This study investigates these issues by using controlled puzzle environments that allow for the systematic manipulation of complexity while maintaining consistent logical structures.

Key findings include:

  1. Performance Decline with Complexity: LRMs show a significant drop in accuracy when faced with complex problems, struggling beyond a certain complexity threshold.

  2. Three Performance Regimes:

    • Low Complexity: Standard models outperform LRMs.
    • Medium Complexity: LRMs show a performance advantage due to their reasoning capabilities.
    • High Complexity: Both models collapse in performance, indicating a limit to their reasoning abilities.
  3. Reasoning Patterns: LRMs often exhibit inefficient "overthinking," where they explore incorrect solutions before finding the right ones, wasting computational resources. They also struggle with exact computation and consistency across different types of puzzles.

  4. Experimental Insights: The study emphasizes the need for a new evaluation framework that goes beyond final accuracy to include the analysis of reasoning traces during problem-solving.

In conclusion, while LRMs represent significant advancements in language modeling, they still face major limitations in reasoning, particularly with complex tasks, raising important questions about their future development and application.

Author: amrrs | Score: 266

18.
Reverse Engineering Cursor's LLM Client
(Reverse Engineering Cursor's LLM Client)

No summary available.

Author: paulwarren | Score: 79

19.
Asimov and the Disease of Boredom (1964)
(Asimov and the Disease of Boredom (1964))

No summary available.

Author: rafaepta | Score: 3

20.
Medieval Africans had a unique process for purifying gold with glass (2019)
(Medieval Africans had a unique process for purifying gold with glass (2019))

No summary available.

Author: mooreds | Score: 114

21.
Highly efficient matrix transpose in Mojo
(Highly efficient matrix transpose in Mojo)

Summary of Highly Efficient Matrix Transpose in Mojo

This blog post discusses how to create an efficient matrix transpose operation for the Hopper architecture using the Mojo programming language. The best implementation achieves a bandwidth of 2775.49 GB/s, comparable to 2771.35 GB/s achieved with CUDA on the same hardware.

Key points include:

  1. TMA Descriptors: Two TMA (Tensor Memory Architecture) descriptors are initialized, one for the original matrix and another for its transpose.

  2. Transpose Algorithm: The algorithm involves loading a tile of the matrix into shared memory, transposing it, and then storing it back in the transposed position.

  3. Kernel Implementation: The kernel uses shared memory for efficient data transfer and achieves a bandwidth of 1056.08 GB/s, outperforming a previous CUDA implementation.

  4. Swizzling: By adjusting the descriptors and using swizzled indices, the kernel's bandwidth improves to 1437.55 GB/s.

  5. Thread Coarsening: Further optimization is introduced by allowing each thread to process multiple columns, resulting in the highest bandwidth of 2775.49 GB/s.

In conclusion, the blog emphasizes the potential of Mojo for achieving high performance in GPU computing tasks, similar to CUDA, and provides links to full code and previous posts for deeper understanding.

Author: timmyd | Score: 112

22.
Sandia turns on brain-like storage-free supercomputer
(Sandia turns on brain-like storage-free supercomputer)

Summary:

Sandia National Labs has launched the SpiNNaker 2 supercomputer, a brain-inspired system that does not use traditional GPUs or storage. This innovative technology, developed in collaboration with SpiNNcloud, simulates brain-like networks and has the potential to enhance understanding of brain functions and improve computing capabilities.

SpiNNaker 2 can mimic 150 to 180 million neurons and is built on a highly parallel architecture with 48 chips per server board, each containing 20 MB of SRAM. The system can be configured with up to 1440 boards, offering significant memory capacity, which allows it to operate without centralized storage.

The supercomputer is connected to existing high-performance computing systems and is designed for efficient handling of complex simulations and computations, particularly in national security applications. Its unique structure enables faster data processing and lower power consumption compared to traditional GPU systems.

Author: rbanffy | Score: 191

23.
Falsehoods programmers believe about aviation
(Falsehoods programmers believe about aviation)

At FlightAware, our software must effectively manage a variety of unpredictable situations in aviation data, which is often messy and inconsistent. Engineers may have misconceptions about aviation data that can lead to problems for both customers and our systems.

Here are some common false assumptions about flights, airports, airlines, navigation, and transponders:

  1. Flights:

    • Flights can depart from gates multiple times or have irregular schedules.
    • Flight numbers can change and may not always be unique.
    • Flights may not follow expected durations or routes.
  2. Airports:

    • Airports can have multiple codes and identifiers.
    • Terminal and gate numbers are not always consistent.
    • Airports can move or change identifiers.
  3. Airlines:

    • Airlines can share codes or assign numbers to flights they don’t operate.
    • There may be confusion about which airline is operating a flight based on the aircraft.
  4. Navigation:

    • Waypoint names may not be unique, and altitude definitions can vary.
    • Flight information might not always be accurate.
  5. Transponders and ADS-B:

    • ADS-B messages may not only come from aircraft but can also be from service vehicles.
    • GPS positions in these messages are not always reliable.
    • Transponders can be incorrectly programmed or malfunction.

Understanding these misconceptions is crucial for our flight tracking engine, Hyperfeed, to provide accurate data for our website, apps, and APIs.

Author: cratermoon | Score: 349

24.
Show HN: AI game animation sprite generator
(Show HN: AI game animation sprite generator)

AI Sprite Generator Overview

The AI Sprite Generator allows users to create professional game animation sprites quickly. Here’s how it works:

  1. Upload Your Image: Drop your character design or describe it in text.
  2. Select Animation Actions: Choose from various animations like jumping, running, and attacking.
  3. Download Sprites: Get ready-to-use sprites immediately.

Features:

  • AI-Powered: Generates smooth animations from images or text.
  • Variety of Actions: Supports multiple character actions for comprehensive animation.
  • Production-Ready: Sprites come with transparent backgrounds and proper dimensions.
  • Multiple Styles: Options range from retro pixel art to modern anime.
  • Custom Training: Train unique animations with just 5 samples for free.

Ideal Users:

  • Indie Developers: Create sprites without hiring artists.
  • Game Studios: Save time and costs by generating full character sets.
  • Artists: Use AI to enhance and refine animations.

Pricing:

  • Pay per use with no subscriptions; credits never expire.
  • Three credit packs available: Starter, Popular, and Ultimate, with increasing discounts for larger purchases.

Additional Options:

  • Train custom AI models privately or publicly and earn revenue from shared models.

FAQs: Covers supported file formats, commercial use, generation time, and refund policies.

In summary, the AI Sprite Generator is a powerful tool for anyone involved in game development, offering fast, high-quality animation creation at flexible pricing.

Author: lyogavin | Score: 111

25.
A masochist's guide to web development
(A masochist's guide to web development)

Summary of "A Masochist’s Guide to Web Development"

Introduction: The author shares their experience of creating a web application for a Rubik’s cube solver using C code, WebAssembly (WASM), and minimal JavaScript and HTML. The process was complex but rewarding, leading to the decision to document the learning journey.

WebAssembly Basics: WebAssembly is a low-level language designed for high-performance web applications. It runs in web browsers and is supported by all major browsers. The tutorial targets C/C++ developers looking to port their code to the web.

Setup Requirements: To follow the tutorial, users need:

  • Emscripten installed (includes Node.js).
  • A web server like darkhttpd or Python's http.server.

Hello World Example: The tutorial begins with a simple "Hello, web!" program, demonstrating how to compile C code to WebAssembly and run it in a browser.

Building a Library: The author guides readers through creating a library in C, compiling it to WASM, and calling functions from JavaScript. Issues with function naming and runtime initialization are addressed.

JavaScript and the DOM: To create interactive web pages, the author explains how JavaScript interacts with HTML through the Document Object Model (DOM). Examples include changing text and handling button clicks.

Modularizing Libraries: The tutorial explains how to build modular libraries to avoid naming conflicts and improve compatibility between Node.js and web environments.

Multithreading: The author discusses using multithreading in web applications to enhance performance, specifically through the use of pthreads in Emscripten.

Web Workers: To avoid blocking the main thread during long computations, the tutorial introduces web workers, which allow background processing and improve user experience.

Callback Functions: The author explains how to implement callback functions in the library, allowing JavaScript functions to be passed to C functions.

Persistent Storage: The tutorial covers using IndexedDB for persistent data storage in browsers, detailing how to set up a virtual file system with Emscripten.

Closing Thoughts: The author reflects on the challenges of web development with Emscripten, emphasizing the importance of understanding low-level details and the complexities of web environments. They encourage developers to learn and adapt to these challenges for better web application performance.

Author: sebtron | Score: 241

26.
Odyc.js – A tiny JavaScript library for narrative games
(Odyc.js – A tiny JavaScript library for narrative games)

Odyc.js is a simple JavaScript library that allows anyone to create video games, even if they don't have programming experience. You can easily learn to make a game and explore examples in a gallery.

Author: achtaitaipai | Score: 225

27.
Smalltalk, Haskell and Lisp
(Smalltalk, Haskell and Lisp)

The author discusses their experience writing a program for a job interview at the NRAO, where candidates must calculate scan times in Java. However, the author chose to implement the problem in Haskell, Common Lisp, and Smalltalk.

They express a strong preference for Haskell, noting that their enjoyment of it stems from how it feels to use rather than its technical superiority. The author contrasts Haskell's clarity and beauty in code with the complexity and awkwardness they find in Lisp and Smalltalk. They appreciate Haskell's modularity and its encouragement of breaking problems into smaller, manageable pieces.

The author recognizes their reliance on Haskell's compiler for effective programming, admitting they struggle with code analysis before running it in other languages. They also reflect on the teaching of programming languages, arguing that languages like Haskell, despite their complexity, can be beneficial for learning and understanding programming concepts.

In conclusion, the author finds programming to be an ongoing journey without definitive answers, recognizing both the strengths and weaknesses of the languages they use. They are intrigued by tools like Autotest that might improve their workflow beyond traditional typing systems.

Author: todsacerdoti | Score: 103

28.
Wendelstein 7-X sets new fusion record
(Wendelstein 7-X sets new fusion record)

The Wendelstein 7-X fusion research facility in Greifswald has achieved a new record in nuclear fusion, marking progress towards its commercial use. On May 22, 2025, researchers reached a new peak in the "triple product," a key measure in fusion, during a 43-second plasma discharge. The triple product combines particle density, ion temperature, and energy confinement time, crucial for making fusion self-sustaining.

During this record, about 90 fuel pellets were injected into the reactor, while plasma was heated to over 20 million degrees Celsius. A new pellet injector from the US Department of Energy was used, enabling better coordination of fuel and heating.

This achievement shows the potential of Wendelstein 7-X and highlights its ability to maintain longer plasma durations, which are essential for future fusion power plants. While other reactors have achieved higher triple product values for short durations, Wendelstein 7-X is now leading in long plasma durations, a significant advancement in fusion technology.

Author: doener | Score: 179

29.
Too Many Open Files
(Too Many Open Files)

Summary of "Too Many Open Files"

The author encountered an error while testing a Rust project, specifically a "Too many open files" error. This occurs when a program tries to open more file descriptors than allowed by the operating system. File descriptors are integers used by the OS to manage open files, directories, pipes, sockets, and devices.

In Unix systems, every process starts with three standard file descriptors (stdin, stdout, stderr), and each system has limits on the total number of file descriptors that can be opened. On macOS, the soft limit for a process is set using the ulimit command, which can be adjusted but must remain below the hard limit set by the OS.

To diagnose the issue, the author created a script to monitor the number of open file descriptors during the execution of cargo test. The script confirmed that the tests failed when the count approached the limit of 256. The solution was to increase the soft limit to 8192 using the ulimit command, which resolved the issue.

The author learned a lot about file descriptors and how to troubleshoot this common error. The experience provided insights into managing system resources effectively in programming.

Author: furkansahin | Score: 143

30.
What “working” means in the era of AI apps
(What “working” means in the era of AI apps)

No summary available.

Author: Brysonbw | Score: 81

31.
What you need to know about EMP weapons
(What you need to know about EMP weapons)

No summary available.

Author: flyingkiwi44 | Score: 151

32.
Meta: Shut down your invasive AI Discover feed
(Meta: Shut down your invasive AI Discover feed)

Meta is turning private AI chat conversations into public content without many users realizing it. The Mozilla community is calling for Meta to stop this practice until better privacy protections are established. They are demanding that:

  1. All AI interactions be private by default, with public sharing only allowed if users give clear consent.
  2. Meta be transparent about how many users have unintentionally shared private information.
  3. A simple opt-out system be created for all Meta platforms to prevent user data from being used for AI training.
  4. Users be notified if their conversations have been made public and be allowed to delete that content permanently.

The message emphasizes that people should know when they are speaking publicly, especially if they think they are in a private conversation. If you agree, you can support the demand for these changes.

Author: speckx | Score: 501

33.
Workhorse LLMs: Why Open Source Models Dominate Closed Source for Batch Tasks
(Workhorse LLMs: Why Open Source Models Dominate Closed Source for Batch Tasks)

Summary: Workhorse LLMs: Why Open Source Models Are Better for Batch Tasks

As more teams use large language models (LLMs) for various tasks, many still rely on closed-source models like GPT and Claude, missing out on cost savings and performance benefits from open-source alternatives. While closed-source models excel in complex reasoning, many common tasks like classification, summarization, and data extraction can be effectively performed by open-source workhorse models.

Key points include:

  1. Cost-Effectiveness: Open-source models often provide better performance at lower costs, especially for bulk tasks through batch processing.

  2. Performance Comparison: Closed-source models like Gemini 2.5 Flash and GPT-4o-mini are popular, but open-source options like Qwen3 and Llama 3 can offer equal or better performance with significant cost savings.

  3. Task Suitability: Workhorse models are great for everyday business tasks such as:

    • Extracting structured data from text
    • Summarizing documents
    • Answering straightforward questions
    • Analyzing sentiment
    • Classifying text
  4. Benchmarking and Cost Analysis: The text analyzes the performance and costs of various models, presenting a performance-to-cost ratio to help businesses choose the best options.

  5. Choosing Open Source: Transitioning to open-source models might require some adjustments, but the potential savings and performance gains make it worthwhile. A conversion chart suggests open-source replacements along with estimated savings.

In conclusion, businesses should consider open-source LLMs for tasks that don’t require high-level reasoning, as they tend to dominate in cost-to-performance ratio. Using batch processing can lead to even greater savings. If teams want to optimize their use of LLMs, seeking expert consultation can help.

Author: cmogni1 | Score: 85

34.
Curate your shell history
(Curate your shell history)

Summary: Curating Shell History

Simon Tatham suggests in his article "Policy of Transience" that users might consider disabling their shell history file by adding the command unset HISTFILE to their .bashrc. This way, history is only kept during a single shell session and not across multiple sessions, allowing users to focus on current commands without clutter from past mistakes.

Instead of relying on the history file to save useful commands, Tatham recommends storing valuable commands separately, such as in a shell function, script, or notes. This prevents confusion from recalling incorrect versions of commands.

In contrast, the author of the summary prefers to keep a large shell history (up to 9,800 commands) but acknowledges Tatham's point about the uselessness of saving incorrect commands. To manage this, they created a function called smite, which allows users to delete unwanted commands from their history easily.

The smite function opens a user-friendly interface to browse and delete history entries, helping users maintain a cleaner history. The author encourages others to reflect on their own shell history management and make adjustments for better organization.

Author: todsacerdoti | Score: 134

35.
Show HN: Air Lab – A portable and open air quality measuring device
(Show HN: Air Lab – A portable and open air quality measuring device)

No summary available.

Author: 256dpi | Score: 460

36.
Series C and scale
(Series C and scale)

Anysphere has raised $900 million in funding at a valuation of $9.9 billion to enhance their AI coding tool, Cursor. The funding comes from investors like Thrive, Accel, Andressen Horowitz, and DST. Cursor has achieved over $500 million in annual recurring revenue (ARR) and is used by many top companies, including NVIDIA, Uber, and Adobe. This investment will help advance AI coding research and improve coding methods.

Author: fidotron | Score: 81

37.
Weaponizing Dependabot: Pwn Request at its finest
(Weaponizing Dependabot: Pwn Request at its finest)

No summary available.

Author: chha | Score: 101

38.
I Read All of Cloudflare's Claude-Generated Commits
(I Read All of Cloudflare's Claude-Generated Commits)

No summary available.

Author: maxemitchell | Score: 167

39.
Freight rail fueled a new luxury overnight train startup
(Freight rail fueled a new luxury overnight train startup)

A new luxury overnight train startup called Dreamstar aims to revive the elegance of train travel between Los Angeles and San Francisco, a service that hasn't existed since the 1940s. Co-founders Joshua Dominic and Thomas Eastmond are inspired by their experiences with modern rail services in Europe and Asia and want to offer a comfortable and efficient travel option in the U.S.

Dreamstar plans to provide all-bedroom accommodations, gourmet dining, and hotel-like service, focusing on a route similar to the former Lark train. They have secured track access agreements with Union Pacific, which operates much of the route with minimal freight and passenger traffic at night.

The service is designed to be eco-friendly, claiming to reduce carbon emissions by 75% compared to flying. While ticket prices are not finalized, the company aims to be competitive with flights and Amtrak.

Dreamstar's train will include various classes of private cabins, lounges, dining areas, and a spa. They are currently working on engineering designs, planning maintenance facilities, and navigating regulatory approvals. The goal is to begin service before the 2028 Olympics in Los Angeles, with construction of the train expected to take 18 to 24 months. The startup has also received financial backing from various investors.

Author: Ozarkian | Score: 74

40.
4-7-8 Breathing
(4-7-8 Breathing)

The text lists different types of sounds: "None," which means no sound; "Deep Bowl Strike," which is a specific sound; "Crystal Bowl Ping," another distinct sound; and "Wood Click," a sound made when wood hits something.

Author: cheekyturtles | Score: 248

41.
Windows 10 spies on your use of System Settings (2021)
(Windows 10 spies on your use of System Settings (2021))

No summary available.

Author: userbinator | Score: 112

42.
SaaS is just vendor lock-in with better branding
(SaaS is just vendor lock-in with better branding)

Summary:

SaaS (Software as a Service) often seems convenient, but it comes with hidden costs that can complicate development. Here are five key challenges, or "hidden taxes," associated with integrating SaaS into your projects:

  1. Discovery Tax: Before integrating a service, you spend time researching what it offers, its compatibility, pricing, and documentation. This effort is often non-transferable and subjective.

  2. Sign-Up Tax: Once you choose a service, signing up can involve unexpected costs, such as usage-based pricing or additional fees for team access. You are financially committed even before using the service.

  3. Integration Tax: Integrating the service involves reading documentation and troubleshooting issues that may not be covered, which can be time-consuming and frustrating.

  4. Local Development Tax: You need the service to work in your local environment, which might require complex configurations or additional tools, complicating your development process.

  5. Production Tax: After integration, managing the service in a live environment involves ensuring reliability, securing API keys, and monitoring performance, which adds more responsibility.

In conclusion, while SaaS aims to simplify development, it often creates dependencies and complexities. Choosing an integrated platform, like Cloudflare or Supabase, can streamline your workflow by unifying services, reducing the need for constant adjustments, and allowing for smoother development experiences. This approach enhances efficiency and keeps your focus on building software rather than managing multiple services.

Author: pistoriusp | Score: 192

43.
How to (actually) send DTMF on Android without being the default call app
(How to (actually) send DTMF on Android without being the default call app)

No summary available.

Author: EDM115 | Score: 49

44.
An Interactive Guide to Rate Limiting
(An Interactive Guide to Rate Limiting)

The website is checking your browser for security reasons. If you own the website, there's an option to resolve the issue.

Author: sagyam | Score: 141

45.
Swift and the Cute 2d game framework: Setting up a project with CMake
(Swift and the Cute 2d game framework: Setting up a project with CMake)

Summary: Setting Up a Cute Framework Project with CMake

The Cute Framework is a powerful C/C++ tool for creating 2D games, and this guide shows you how to set it up using CMake, allowing you to write game logic in Swift.

Prerequisites:

  • Install Swift (preferably version 6 or later).
  • Install CMake (version 4.0 or later).
  • Install Ninja (needed for building Swift with CMake).

Project Structure Setup:

  1. Create a new directory for your project:
    mkdir MyCuteGame
    cd MyCuteGame
    
  2. Organize your directories and files:
    mkdir src include
    touch CMakeLists.txt src/main.swift include/shim.h include/module.modulemap
    

CMake Configuration:

  • Edit CMakeLists.txt with the following content to set up your project, include the Cute Framework, and define your executable:
    cmake_minimum_required(VERSION 4.0)
    project(MyCuteGame LANGUAGES C CXX Swift)
    file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS src/*.swift)
    add_executable(MyCuteGame ${SOURCES})
    include(FetchContent)
    FetchContent_Declare(cute GIT_REPOSITORY https://github.com/RandyGaul/cute_framework)
    FetchContent_MakeAvailable(cute)
    target_include_directories(MyCuteGame PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>)
    target_link_libraries(MyCuteGame cute)
    

Swift Interoperability:

  • In include/shim.h, include the Cute Framework header:
    #pragma once
    #include <cute.h>
    
  • In include/module.modulemap, define the module for Swift:
    module CCute [extern_c] {
        header "shim.h"
        export *
    }
    

Writing Swift Code:

  • In src/main.swift, write your game code to create a Cute Framework app and display a sprite:
    import CCute
    // [Code to set up and run the app]
    

Building the Project:

  1. In the terminal, run:
    mkdir build
    cd build
    cmake -G Ninja ..
    cmake --build .
    
  2. Execute your game:
    ./MyCuteGame
    

Congratulations! You've set up a Cute Framework project using CMake and Swift. You can now start developing your game and seek help on the Cute Framework Discord server or through the documentation.

Author: pusewicz | Score: 90

46.
Researchers find a way to make the HIV virus visible within white blood cells
(Researchers find a way to make the HIV virus visible within white blood cells)

Researchers in Melbourne have made a significant breakthrough in the search for a cure for HIV by developing a method to make the virus visible within white blood cells, where it typically hides. This discovery could lead to fully eliminating the virus from the body.

The team from the Peter Doherty Institute used mRNA technology, similar to that used in COVID-19 vaccines, to deliver instructions to infected cells. They created a new type of fat bubble, known as LNP X, which successfully enters the white blood cells that harbor HIV.

Currently, nearly 40 million people live with HIV, requiring lifelong medication to manage the virus. The research demonstrates promising results, but further studies are needed to see if revealing the virus allows the immune system to eliminate it. The path to human trials will take years, and success in lab tests does not guarantee effectiveness in patients.

Experts are hopeful about the implications of this research, which could also apply to other diseases like cancer. However, it's still uncertain whether eliminating the entire virus reservoir is necessary for a successful cure.

Author: colinprince | Score: 199

47.
United States Digital Service Origins
(United States Digital Service Origins)

The United States Digital Service Origins is an oral history project that captures the formation and early days of the United States Digital Service (USDS). Launched on June 6, 2025, it highlights the importance of understanding past experiences in government technology, especially in light of the USDS's recent reorganization into the United States DOGE Service.

The project includes nearly 50 interviews from 2009 to 2015 with individuals who helped establish the USDS, sharing their insights and experiences. These interviews reveal key themes and lessons about integrating technology into government and the challenges faced in doing so.

The initiative reflects a broader movement in civic technology over the past 20 years, emphasizing that skilled individuals in government can improve public services. While the USDS was not without flaws, it showcased the potential for positive change in government technology, leaving a lasting impact on those involved.

Author: ronbenton | Score: 152

48.
What Is OAuth and How Does It Work?
(What Is OAuth and How Does It Work?)

Summary of OAuth 2.0 Overview

OAuth 2.0 is a protocol that allows developers to manage user authentication and authorization without directly handling user credentials. Instead of giving usernames and passwords to every application, users log into an OAuth server, which then provides tokens to grant limited access to their data across different applications. This is more secure and user-friendly.

Key Points:

  1. What is OAuth 2.0?

    • A protocol for delegating user authentication and authorization.
    • Users log into one platform to access multiple applications without sharing passwords.
  2. How Does OAuth Work?

    • Users authenticate with an OAuth server, which returns a token that applications can use to access data with limited permissions.
    • OAuth is often confused with SAML, which is primarily for authentication, while OAuth focuses on authorization.
  3. OAuth Modes:

    • There are eight common ways to implement OAuth:
      • Local login and registration
      • Third-party login and registration
      • First-party login and registration
      • Enterprise login and registration
      • Third-party service authorization
      • First-party service authorization
      • Machine-to-machine authentication
      • Device login and registration
  4. Choosing the Right Mode:

    • Different scenarios dictate which OAuth mode to use, such as needing to avoid storing credentials or providing enterprise-level services.
  5. Examples of Implementation:

    • Local Login: Users register or log into an application through an OAuth server, but it feels like they are using the app directly.
    • Third-party Login: Users can log in using existing accounts from services like Facebook or Google, granting permission for your application to access their data.

Overall, OAuth 2.0 simplifies and secures the authentication process, allowing for various implementations tailored to different needs.

Author: mooreds | Score: 9

49.
CRDTs #4: Convergence, Determinism, Lower Bounds and Inflation
(CRDTs #4: Convergence, Determinism, Lower Bounds and Inflation)

This article discusses important concepts in Conflict-free Replicated Data Types (CRDTs), specifically focusing on four key ideas: convergence, determinism, lower bounds, and inflation.

  1. Determinism vs. Convergence: CRDTs are designed to ensure that all replicas of data eventually agree on the same state (convergence). However, this convergence does not imply that the process is deterministic—meaning different sequences of updates can lead to different final states.

  2. Inflationary Functions: A function is inflationary if it never decreases the state of the system. For CRDTs to be deterministic, all update functions must be inflationary. This ensures that once a state increases, it cannot decrease, leading to consistent final states.

  3. Lower Bounds: When reading the state of a CRDT, if the updates are inflationary, it is safe to assume that the current state represents a lower bound of what the final state will be. Non-inflationary updates can lead to unpredictable states, making it unsafe to assume stability in read values.

  4. Implementation Suggestions: To ensure inflationarity, one approach is to modify the update process so that updates are always merged with the existing state, rather than directly changing the state. This guarantees that the updates are inflationary.

In summary, for CRDTs to maintain consistency and predictability, it is crucial that their update functions are inflationary. This leads to deterministic outcomes and stable lower bounds, enhancing the reliability of the system.

Author: iamwil | Score: 24

50.
Dreams of improving the human race are no longer science fiction
(Dreams of improving the human race are no longer science fiction)

Christian Angermayer, a German tech billionaire, had a life-changing experience after using hallucinogenic mushrooms, which inspired him to help humanity improve itself. He now runs an investment fund that supports the use of psychedelic drugs for mental health treatment and promotes overall human enhancement, aiming to make people stronger, smarter, and live longer. Angermayer has also contributed to a $101 million prize for scientific advancements in slowing aging and is involved in creating the Enhanced Games, where athletes can earn $1 million for breaking records using performance-enhancing substances that are typically banned.

Author: rbanffy | Score: 15

51.
Test Postgres in Python Like SQLite
(Test Postgres in Python Like SQLite)

Py-PGlite Summary

Py-PGlite is a tool for easy and quick PostgreSQL testing in Python. You can install it with pip install py-pglite, and it allows you to run tests without needing Docker or complex setups.

Key Features:

  • Zero Configuration: No setup required; it creates a fresh PostgreSQL database for each test automatically.
  • Framework Compatibility: Works with popular frameworks like SQLAlchemy, Django, and FastAPI without requiring additional imports.
  • Fast and Full-Featured: It supports all PostgreSQL features, including JSON and arrays, and sets up in just 2-3 seconds, compared to longer times for Docker setups.

Installation Options:

  • Basic installation: pip install py-pglite
  • Specific framework support:
    • pip install py-pglite[sqlalchemy] for SQLAlchemy
    • pip install py-pglite[django] for Django
    • pip install py-pglite[all] for all features

Examples:

  • SQLAlchemy: It automatically creates tables, allowing for straightforward user creation and count verification.
  • Django: Models are ready to use with simple object creation and validation.
  • Raw SQL: Full access to PostgreSQL features for advanced queries.

Performance:

  • It handles bulk inserts efficiently, making it suitable for performance testing.

Community Feedback: Users appreciate the simplicity and speed of Py-PGlite, highlighting its ability to reduce setup time significantly.

In summary, Py-PGlite simplifies PostgreSQL testing, making it quick, powerful, and easy to use for developers.

Author: wey-gu | Score: 152

52.
Shirt Without Stripes (2021)
(Shirt Without Stripes (2021))

The text discusses searching for "shirt without stripes" on various platforms like Google, Amazon, and Bing. It also provides links to AI and machine learning resources from Amazon, Microsoft, and Google, as well as links to their virtual assistants (Alexa, Cortana, and Google Assistant).

Author: cyanf | Score: 18

53.
Hacking Is Necessary
(Hacking Is Necessary)

The article discusses the concept of "hacking" in programming, referring to it as "unclean coding" or quick solutions rather than cybersecurity. It emphasizes the tendency of programmers to obsess over the details of their code, which can lead to improvements but can also become counterproductive.

Key points include:

  1. Ideals vs. Reality: Programmers strive for ideals like clarity and safety, but these are impossible to fully achieve. Progress towards these ideals requires trade-offs, and sometimes it's necessary to accept imperfection.

  2. Hacking Defined: Hacking involves prioritizing convenience or speed over reaching those ideals. All programming is a form of hacking to some degree, and there's a spectrum of "hackiness" versus idealism.

  3. Type Strength: Stronger type assumptions can improve code safety but can also make maintenance harder. Programmers often face challenges in determining the right assumptions to make due to changing code or other priorities.

  4. Structural Refactoring: Changing the structure of code can be beneficial but is also complex and risky. Perfectionism can hinder progress, and sometimes a simpler approach is more effective.

  5. Wicked Problems: Many coding challenges are complex and poorly defined, making them difficult to solve without trial and error. Temporary solutions (scaffolding) can often serve as viable long-term fixes.

  6. Conclusion: Programmers should embrace the need to hack, making thoughtful decisions about when to pursue ideals and when to accept compromises. Both approaches can be valuable, and learning from mistakes is part of the process.

Author: thunderbong | Score: 10

54.
The Agentic Systems Series
(The Agentic Systems Series)

Summary of The Agentic Systems Series

This series is a practical guide for building effective AI coding assistants for production environments. It consists of three books, each focusing on different aspects of creating collaborative AI systems:

  1. Book 1: Building an Agentic System

    • Introduces the basics of AI coding agents.
    • Covers core architecture, tool systems, security models, parallel execution, and command systems.
    • Ideal for engineers looking to develop production-grade coding assistants beyond simple chatbots.
  2. Book 2: Amping Up an Agentic System

    • Focuses on transforming single-user agents into collaborative platforms.
    • Discusses scalable architecture, authentication, collaboration strategies, enterprise features, and deployment patterns.
    • Essential for teams scaling AI assistants to collaborative environments.
  3. Book 3: Contextualizing an Agentic System

    • Explores advanced tool systems and context management.
    • Details tool architecture, command design, context management, and real-world implementations.
    • Perfect for engineers developing sophisticated and context-aware systems.

Who Should Read This?

  • Systems engineers, platform teams, technical leaders, researchers, and anyone interested in the practical implementation of AI coding tools.

Prerequisites:

  • Familiarity with system design, basic AI knowledge, and experience with backend technologies like TypeScript/Node.js.

What’s Included:

  • Architectural patterns, implementation strategies, decision frameworks, code examples, and case studies based on real-world systems.

About the Author: Gerred is a systems engineer with extensive experience in AI and infrastructure, including work on Kubernetes and AI systems in secure environments.

Support and Get Started:

  • Readers can reach out for consulting or support and choose their starting point based on their familiarity with agentic systems.
Author: ghuntley | Score: 12

55.
The impossible predicament of the death newts
(The impossible predicament of the death newts)

No summary available.

Author: bdr | Score: 559

56.
How we’re responding to The NYT’s data demands in order to protect user privacy
(How we’re responding to The NYT’s data demands in order to protect user privacy)

On June 5, 2025, OpenAI's COO, Brad Lightcap, addressed concerns regarding a lawsuit from The New York Times that demands OpenAI retain user data indefinitely. OpenAI believes this request conflicts with their commitment to user privacy and weakens existing privacy protections. They are actively appealing the court order that requires them to hold onto consumer ChatGPT and API data.

Key points include:

  • Users can delete their chats, and OpenAI usually removes this data within 30 days, but the lawsuit threatens this practice.
  • The demand affects users with ChatGPT Free, Plus, Pro, or Team subscriptions, but not those with ChatGPT Enterprise or Zero Data Retention agreements.
  • Data covered by the court order is stored securely and can only be accessed by a small, audited team under strict legal protocols.
  • OpenAI is committed to transparency and will keep users informed about any changes regarding their data.
  • They affirm that their data retention policies remain in place unless legally required to change them.

OpenAI is fighting to protect user privacy and believes the lawsuit's demands are excessive.

Author: BUFU | Score: 270

57.
A Rippling Townhouse Facade by Alex Chinneck Takes a Seat in a London Square
(A Rippling Townhouse Facade by Alex Chinneck Takes a Seat in a London Square)

British artist Alex Chinneck has unveiled a new sculpture called “A week at the knees” in Charterhouse Square, London, during Clerkenwell Design Week. This piece features a playful design that makes a traditional Georgian townhouse facade appear as if it is seated with its knees up. Constructed from 320 meters of repurposed steel and 7,000 bricks, it stands five meters tall and weighs 12 tons, yet has a slim profile of only 15 centimeters thick.

Chinneck's work aims to transform heavy materials like steel and bricks into something that feels light and whimsical. The sculpture invites visitors to walk through it and connects with the historical context of its location, complete with details like a downspout and lamps. The artist collaborated with various British companies to create this unique installation, which will be on display until June.

Author: surprisetalk | Score: 23

58.
The Coleco Adam Computer
(The Coleco Adam Computer)

The Coleco Adam was a home computer launched by toy maker Coleco in 1983, aiming to compete with the popular Commodore 64. Despite initial excitement, the Adam was a commercial failure and was discontinued by 1985.

Key Points:

  • Coleco was known for toys and had success with the Coleco Vision game console before venturing into computers.
  • The Adam was marketed as a complete system, priced at $525 and designed to use an existing Coleco Vision console as a computer.
  • Initial production issues led to a price hike and a delay in release, with only 100,000 units produced in the first year, far below the target of 500,000.
  • The Adam faced serious reliability issues, with high defect rates and poor storage technology compared to competitors.
  • Despite some good features, like a quality keyboard and printer, it couldn’t compete with the Commodore 64, which had resolved its supply problems by the time the Adam launched.
  • Coleco lost nearly $50 million on the Adam, leading to its discontinuation and eventual bankruptcy in 1988.
  • The Adam is remembered as one of the biggest flops in computing history, but it maintained a small cult following due to its capabilities.

In hindsight, if Coleco had executed their plan better, the computer industry landscape might have looked different. The Adam's failure also inadvertently impacted Atari's negotiations with Nintendo, which delayed the launch of the NES.

Author: rbanffy | Score: 47

59.
I made a search engine worse than Elasticsearch (2024)
(I made a search engine worse than Elasticsearch (2024))

The author reflects on their experience creating a search library called SearchArray and compares its performance to Elasticsearch using the BEIR benchmarks. They integrated SearchArray into BEIR to evaluate its effectiveness on the MSMarco Passage Retrieval corpus, which revealed that SearchArray underperformed compared to Elasticsearch in terms of relevance and speed metrics.

Key points include:

  1. Performance Comparison:

    • SearchArray had lower scores in key areas: NDCG@10 (0.225 vs. 0.2275), search throughput (18 QPS vs. 90 QPS), and indexing throughput (3.5K docs/sec vs. 10K docs/sec).
  2. Understanding Search Efficiency:

    • A real search engine like Elasticsearch uses advanced algorithms (e.g., Weak-AND or WAND) to optimize how it combines scores from multiple search terms, allowing it to quickly find top results without unnecessary computation.
    • In contrast, SearchArray calculates BM25 scores directly from all documents, leading to inefficient processing.
  3. Technical Mechanism:

    • SearchArray uses a positional index with roaring bitmaps for phrase matching, but this design focuses on term frequency and does not utilize postings lists like traditional search engines.
    • Caching mechanisms could improve performance, but the author has opted not to implement them due to maintenance concerns.
  4. Conclusion:

    • SearchArray is useful for prototyping smaller datasets but not for large-scale retrieval systems. The author emphasizes the complexity and hard work involved in building efficient search engines and expresses admiration for professionals in the field.

Overall, the text highlights the differences between a personal project and production-level search engines, providing insights into the challenges and learning experiences of developing search technology.

Author: softwaredoug | Score: 128

60.
Supreme Court allows DOGE to access social security data
(Supreme Court allows DOGE to access social security data)

The Supreme Court has allowed the Trump administration's Department of Government Efficiency (DOGE), led by Elon Musk, to access Social Security Administration data, which includes sensitive personal information like Social Security numbers. This decision came after the court lifted a federal judge's injunction against such access, despite objections from three liberal justices.

The lawsuit against DOGE was initiated by a progressive group representing unions who argue that this access could violate privacy laws and threaten Americans' personal data. The White House praised the ruling as a victory for modernizing government systems and reducing waste.

Although a lower court had previously ruled that DOGE did not need this data, the Supreme Court's decision permits immediate access for the agency to perform its work. Additionally, the court allowed the Trump administration to shield DOGE from freedom of information requests while litigation continues. The liberal justices expressed their disagreement with this ruling as well.

Author: anigbrowl | Score: 143

61.
How much energy does it take to think?
(How much energy does it take to think?)

The brain uses a significant amount of energy, consuming about 20% of our body's energy despite being only 2% of its weight. Recent research by neuroscientist Sharna Jamadar and her team shows that when we engage in cognitive tasks, our brain's energy use only increases by about 5% compared to when we are at rest. This finding suggests that most of the brain's energy is spent on maintenance and regulating bodily functions rather than just on thinking.

The brain operates like a prediction engine, constantly planning for future needs and maintaining homeostasis—keeping bodily systems stable. The energy used for these background processes is crucial for survival, particularly in energy-scarce environments where our ancestors lived.

Moreover, the brain has evolved to be efficient in energy use, with mechanisms that prevent overexertion. This evolutionary background helps explain why we feel fatigued after intense mental activity. Overall, our cognitive capabilities are shaped by a balance between the brain's complexity and its energy constraints.

Author: nsoonhui | Score: 73

62.
Free Gaussian Primitives at Anytime Anywhere for Dynamic Scene Reconstruction
(Free Gaussian Primitives at Anytime Anywhere for Dynamic Scene Reconstruction)

Summary of FreeTimeGS: Free Gaussian Primitives for Dynamic Scene Reconstruction

FreeTimeGS is a new method developed to reconstruct dynamic 3D scenes with complex movements in real-time. Traditional techniques struggle with such scenes because they rely on deformation fields, which can be hard to optimize.

FreeTimeGS introduces a flexible 4D representation of Gaussian primitives that can appear at any time and location, improving the modeling of dynamic scenes. Each Gaussian primitive is equipped with a motion function to track its movement and a temporal opacity function to control its visibility over time, minimizing redundancy.

Experimental results show that FreeTimeGS significantly outperforms recent methods in rendering quality. The code will be made available for others to use and verify the results. The paper also includes interactive demos and comparisons with other techniques.

Author: trueduke | Score: 69

63.
iFixit says the Switch 2 is even harder to repair than the original
(iFixit says the Switch 2 is even harder to repair than the original)

iFixit has analyzed the Nintendo Switch 2 and found it significantly harder to repair than the original model. The new console received a low repairability score of 3 out of 10, mainly due to components like the battery, which is glued in place, and crucial parts like flash storage and USB-C ports that are soldered to the mainboard.

Many screws are still tri-point and often hidden behind stickers, which can be damaged during removal. Additionally, there are no official repair parts or manuals available for the Switch 2, making repairs reliant on third-party options. While some components like the headphone jack and cooling fan are easier to remove, the battery remains difficult to access, requiring special tools and techniques.

The gamecard reader is now soldered to the mainboard, complicating replacements. The new Joy-Cons also pose repair challenges, as they use the same technology that caused joystick drift in the original Switch. Overall, the Switch 2's design makes repairs more challenging than ever.

Author: 01-_- | Score: 16

64.
Self-hosting your own media considered harmful according to YouTube
(Self-hosting your own media considered harmful according to YouTube)

On June 5, 2025, a YouTuber received a community guidelines violation for a video on using LibreELEC with a Raspberry Pi 5 for 4K video playback. Despite avoiding the discussion of any tools that bypass copyright, the video was flagged for promoting "dangerous content" and unauthorized access to media. The YouTuber has a long history of purchasing legal media and only shares legally acquired content. After appealing, the video was reinstated, but the creator expressed frustration with YouTube's automated systems.

This isn't the first issue; they previously received a strike for a video on Jellyfin, which was also reinstated. The YouTuber is now uploading videos to the Internet Archive and Floatplane, as alternatives to YouTube, due to concerns about the platform's policies and reliance on advertising revenue. They acknowledge the challenges of self-hosting content and the difficulties of competing with larger platforms like YouTube.

The creator highlights the irony of being flagged for harmful content while many problematic videos remain on the platform. They call for better systems to handle copyright claims and support for independent creators.

Author: DavideNL | Score: 1559

65.
Defending adverbs exuberantly if conditionally
(Defending adverbs exuberantly if conditionally)

No summary available.

Author: benbreen | Score: 83

66.
Show HN: Cpdown – Copy any webpage/YouTube subtitle as clean Markdown(LLM-ready)
(Show HN: Cpdown – Copy any webpage/YouTube subtitle as clean Markdown(LLM-ready))

cpdown Overview

cpdown is a browser extension that lets you easily copy any webpage's content as clean markdown. It can also copy YouTube subtitles in markdown format.

Key Features:

  • One-click copying of webpage content as markdown.
  • One-click copying of YouTube subtitles as markdown.
  • Uses tools like Defuddle or Mozilla's Readability to extract main content.
  • Removes unnecessary elements like scripts and styles.
  • Displays a token count of the copied content.
  • Supports keyboard shortcuts.

Installation:

  • Available for Chrome via the Chrome Web Store.
  • Firefox version is coming soon.
  • Manual installation is possible by cloning the repository and running specific commands.

Usage:

  1. Go to any webpage.
  2. Click the cpdown icon or use a keyboard shortcut.
  3. The content will be copied to your clipboard as markdown, ready to paste.

Settings Options:

  • Choose between Defuddle or Mozilla Readability for markdown cleanup.
  • Option to wrap content in triple backticks for clarity.
  • Notifications for successful copying.
  • Fun confetti animation for Raycast users.

Development:

  • Built using modern web development tools and libraries.
  • License: MIT.
Author: ysm0622 | Score: 6

67.
Show HN: Ask-human-mcp – zero-config human-in-loop hatch to stop hallucinations
(Show HN: Ask-human-mcp – zero-config human-in-loop hatch to stop hallucinations)

I created a tool called "ask-human mcp" to help AI avoid making errors and assumptions when it gets confused. This tool is designed to improve the experience I had while using another tool called cursor.

Key Points:

  • Problem: AI sometimes gives incorrect answers and appears overly confident about them, leading to wasted time debugging.
  • Solution: "ask-human mcp" allows the AI to ask for help instead of guessing. It’s like mentoring an intern who asks questions.
  • How it Works:
    1. The AI sends a question to the "ask_human" function.
    2. The question goes into a markdown file.
    3. You provide the correct answer, and the AI continues its work.

Benefits:

  • Easy to install and use with pip install ask-human-mcp.
  • Works across different platforms with no configuration needed.
  • Provides instant feedback and keeps a history of questions and answers for debugging purposes.

Setup Instructions:

  1. Install with pip install ask-human-mcp.
  2. Use the command ask-human-mcp --help for assistance.
  3. Update your configuration file and restart the tool.

This tool aims to streamline the coding process and reduce errors.

Author: echollama | Score: 117

68.
Jepsen: TigerBeetle 0.16.11
(Jepsen: TigerBeetle 0.16.11)

Summary of TigerBeetle Database Overview and Testing Results

Overview: TigerBeetle is a specialized database designed for double-entry accounting, prioritizing speed and safety. It uses the Viewstamped Replication protocol to ensure strong consistency, focusing specifically on accounts and transfers, which are ideal for financial transactions. It is optimized for high transaction volume and handles workloads efficiently by funneling operations through a single core to minimize contention. The database is built with fault tolerance in mind, addressing potential failures in memory, processes, storage, and networks.

Key Features:

  • Data Model: Limited to accounts and transfers, where all data is fixed-size and immutable.
  • Operations: Supports batch requests with strict execution order, ensuring strong serializability.
  • Fault Tolerance: Designed to continue functioning without data loss, as long as one replica retains a record. Uses extensive simulation testing to ensure reliability against various faults.

Testing Findings:

  1. Requests Timing Out: Initial tests revealed requests could stall indefinitely. The system was designed to retry requests without timing out, complicating error handling.
  2. Client Crashes: Various crashes occurred due to memory access issues and server evictions, which were addressed in subsequent updates.
  3. Elevated Latencies: Latency issues arose when single nodes failed, indicating a design flaw in how acknowledgments were handled.
  4. Missing Query Results: Some queries returned incomplete results, traced to bugs in data indexing.
  5. Disk Fault Resilience: TigerBeetle showed strong recovery capabilities from disk corruption, although certain conditions could still lead to crashes.

Improvements and Recommendations:

  • Users should upgrade to version 0.16.43, which resolves most issues, except for the indefinite request retries.
  • Implement configurable timeouts to manage request retries effectively.
  • Engage in simulation testing to understand how applications respond to node failures and elevated latencies.

TigerBeetle demonstrates a commitment to safety and correctness, utilizing rigorous testing methods to identify and resolve issues, and continuously improving its architecture for better resilience and performance.

Author: aphyr | Score: 229

69.
Top researchers leave Intel to build startup with 'the biggest, baddest CPU'
(Top researchers leave Intel to build startup with 'the biggest, baddest CPU')

Debbie Marr, CEO and co-founder of AheadComputing, along with her team of former Intel chip architects, has started a new company focused on creating a different type of microprocessor architecture called RISC-V. After spending decades at Intel, they believe they can innovate faster outside the company. AheadComputing aims to design efficient microprocessors that do fewer tasks but do them better than traditional processors.

Intel has dominated the CPU market with its proprietary x86 architecture, but the rise of new standards and competitors has led to challenges for the company. Many tech giants, like Apple and Google, are now developing their own chips. AheadComputing plans to leverage the open RISC-V architecture, which allows for more customization and no licensing fees, making it easier for startups to enter the market.

The company has raised $22 million in venture capital and is gaining attention in the semiconductor industry, especially as demand for new chip designs increases with trends in artificial intelligence. Although it faces risks, AheadComputing is optimistic about its potential to disrupt the industry and contribute to the evolution of Oregon's semiconductor ecosystem.

Author: dangle1 | Score: 152

70.
Self-reported race, ethnicity don't match genetic ancestry in the U.S.: study
(Self-reported race, ethnicity don't match genetic ancestry in the U.S.: study)

A recent study published in The American Journal of Human Genetics highlights that people's self-reported race and ethnicity in the U.S. often do not align with their genetic ancestry. The research, part of the NIH's All of Us Research Program, analyzed genetic data from over 230,000 individuals and found that most participants' genomes displayed a mix of ancestries rather than fitting neatly into racial or ethnic categories.

For instance, Black or African American participants showed varying degrees of African and European ancestry, while many who chose not to report their race primarily identified as Hispanic or Latino, revealing diverse genetic backgrounds. The study emphasizes the complexity of genetic ancestry, suggesting that using broad continental categories can be misleading. Instead, researchers advocate for more specific ancestry categories, as these can significantly impact health traits, like body mass index (BMI).

The findings indicate the importance of recognizing both genetic and social factors in health disparities and suggest a shift away from traditional racial categories in genetic studies. The U.S. Census Bureau is already adapting to this complexity by merging race and ethnicity into a single question for the upcoming 2030 census. However, the authors caution that these insights may not apply universally in other countries with different social constructs related to race and ethnicity.

Author: pseudolus | Score: 101

71.
Small Programs and Languages
(Small Programs and Languages)

Summary: Small Programs and Languages

The text discusses the appeal and significance of small programs and programming languages. It begins with the author's positive feedback on their article about tiny Forth implementations and extends to the general fascination with concise code.

Key Points:

  1. Interest in Tiny Programs: Smaller programs are more approachable and intriguing. For example, discovering a 25-line JavaScript library surprised the author and piqued their interest.

  2. Notable Examples: The author highlights extremely small programs, like a 46-byte Forth implementation, which feels less intimidating and more understandable.

  3. Meaningful Design: Small programs can reveal fundamental truths about programming, showing that complex tasks can be simplified. For instance, Kolmogorov complexity illustrates the minimum size of a program that achieves a specific outcome.

  4. Small Programming Languages: The text mentions several small languages, such as Forth, Lisp, Tcl, and Lua, which provide powerful capabilities with minimal syntax. These languages require a different mindset but can be very expressive.

  5. Simplicity vs. Expressiveness: There’s a trade-off between simplicity and expressiveness in programming languages. The author argues that simplicity often leads to better understanding and usability.

  6. Appeal of Miniatures: The fascination with small things extends beyond programming. Miniatures are seen as cute, less intimidating, and offer a sense of control, making complex ideas more accessible.

In conclusion, small programs and languages are valued for their approachability and the insights they provide into programming concepts, making them both fun and meaningful to explore.

Author: todsacerdoti | Score: 112

72.
ThornWalli/web-workbench: Old operating system as homepage
(ThornWalli/web-workbench: Old operating system as homepage)

Summary of Web Workbench

Instances:

Debug Options (GET Parameters):

  • ?no-boot: Disables the boot sequence.
  • ?no-webdos: Disables the webdos sequence.
  • ?no-cloud-storage: Disables cloud storage.
  • ?start-command: Sets the initial command after boot.
  • ?no-disk: Shows a floppy disk hint.

Example Link with Parameters:

Available Programs:

Author: rbanffy | Score: 34

73.
Supreme Court Gives Doge Access to Social Security Data
(Supreme Court Gives Doge Access to Social Security Data)

Your computer network has shown unusual activity. To proceed, please click the box to confirm you are not a robot.

This could happen if your browser is not allowing JavaScript or cookies. Check your browser settings to ensure they are enabled.

If you need help, contact our support team and provide the reference ID: 2eccad44-43b9-11f0-a30d-0261ec8d80e5.

You can also subscribe to Bloomberg.com for important global markets news.

Author: speckx | Score: 129

74.
A proposal to restrict sites from accessing a users’ local network
(A proposal to restrict sites from accessing a users’ local network)

Summary of Local Network Access Proposal

Overview: The Chrome Secure Web and Network team has proposed a solution to enhance security against attacks that exploit local network devices via public websites. This proposal seeks feedback before potential implementation in Chrome.

Problem: Public websites can access users' local networks, leading to security risks such as Cross-Site Request Forgery (CSRF) attacks. For example, a malicious site could exploit a user's printer through their browser.

Proposed Solution: To mitigate these risks, the proposal suggests blocking direct access to private IP addresses from public websites unless users grant explicit permission. This approach aims to give users more control over which sites can access their local networks.

Key Features:

  • Permission Requirement: Users must approve any site that wants to access their local network.
  • Simplified Design: Unlike a previous proposal that required complex device changes, this approach focuses on modifying websites, which is generally easier.
  • Defined Address Spaces: IP networks are categorized into three layers: localhost, private IP addresses, and public IP addresses. Local network requests will be defined as attempts to access more private address spaces from public addresses.
  • User Prompts: When a website tries to make a local network request, the user will be prompted to allow or deny the request.

Goals:

  1. Prevent exploitation of vulnerable local devices.
  2. Allow legitimate communication between public websites and local devices when users expect it.
  3. Ensure browsers manage local network permissions responsibly.

Use Cases:

  1. Unexpected Usage: Users unaware of a site trying to access their local network can deny the request.
  2. Device Control: Manufacturers can set up local devices through their public websites, requiring user permission for access.

Implementation Considerations:

  • The solution includes integration with existing web technologies like Fetch, WebRTC, and the Permissions API.
  • It will not disrupt current services but may require some modifications to websites.

Security & Privacy:

  • Users must explicitly grant permission for local network access, reducing the risk of unauthorized connections.
  • There are considerations for mixed content, ensuring that security measures are maintained.

This proposal aims to enhance user security while allowing necessary access to local network devices through a clear permission model. Feedback is being solicited to refine this approach before potential rollout.

Author: doener | Score: 658

75.
Best place for small remote gigs?
(Best place for small remote gigs?)

No summary available.

Author: xucian | Score: 7

76.
Online sports betting: As you do well, they cut you off
(Online sports betting: As you do well, they cut you off)

The article argues that online sports betting is primarily for "losers," suggesting that the profits of sportsbooks come from those who consistently lose money. The author reminisces about a trip to Las Vegas, emphasizing that the city's wealth is built on the losses of gamblers.

It highlights that sportsbooks often ban successful bettors to protect their profits and favor casual gamblers who are less likely to win. Furthermore, the algorithms used by sportsbooks can identify skilled gamblers but fail to assist those struggling with gambling addiction. The piece concludes by predicting that future generations may view sports betting similarly to how we currently view smoking and drunk driving.

Overall, the main message is that sportsbooks profit from losing bettors and discourage those who might win.

Author: PaulHoule | Score: 129

77.
NASA delays next flight of Boeing's alternative to SpaceX Dragon
(NASA delays next flight of Boeing's alternative to SpaceX Dragon)

No summary available.

Author: bookmtn | Score: 53

78.
Ask HN: Any good tools for viewing congressional bills?
(Ask HN: Any good tools for viewing congressional bills?)

No summary available.

Author: tlhunter | Score: 99

79.
Semi-Sync Meetings: Stop Wasting Our Time
(Semi-Sync Meetings: Stop Wasting Our Time)

Summary of "Semi-Sync Meetings: Stop Wasting Our Time"

Meetings often waste time and talent because they typically allow only one person to speak at a time, leading to disengagement and unproductive discussions. This single-threaded approach stifles creativity and reduces accountability. Traditional AI note-taking tools don’t solve the core issue.

To improve meetings, the author suggests a "Semi-Synchronous" format, which involves two phases:

  1. Semi-Sync Phase (10-15 minutes): Everyone works silently on a shared document to add ideas and comments without interruptions.
  2. Sync Phase (15-20 minutes): A live discussion focuses on the most important topics identified during the silent phase.

This method encourages equal participation, enhances idea generation, and ensures clear ownership of action items. It reduces meeting times while improving decision quality since discussions are based on prepared contributions rather than spontaneous comments.

For effective implementation, the author recommends setting clear expectations, using familiar collaboration tools, and starting small by trying this approach in one recurring meeting. The goal is to make meetings more productive and engaging for all team members.

Author: marviel | Score: 8

80.
The Universal Tech Tree
(The Universal Tech Tree)

Summary: How to Build a Tech Tree

  1. Definition of Technology: Technology is defined as knowledge created by humans for practical purposes, implemented in a physical form. This excludes concepts like democracy or rituals.

  2. Discretization: Technologies must be represented as discrete events on a timeline. A technology gets included if it has a dedicated Wikipedia page and is sufficiently innovative.

  3. Dating Technologies: Each technology must have an assigned date, often based on the first practical version. This can be tricky due to limited historical data and multiple inventions.

  4. Purpose of the Tech Tree: The tree aims to reveal connections between technologies and help understand their historical context. For example, it shows how firearms influenced the design of cameras.

  5. Historical Context: The tech tree is inspired by the "Civilization" game and aims to present a more accurate view of technological history, correcting misconceptions about linear progress.

  6. Complexity Management: The tree helps clarify the intricate relationships between inventions, which can enhance understanding of modern technologies and their development.

  7. Cultural Significance: The tech tree serves as a celebration of human creativity and innovation, highlighting how past inventions shape future developments, especially in the age of AI.

  8. Anecdotal Insights: The tree provides interesting stories about inventions, like how Scotch tape led to the discovery of graphene.

Overall, the historical tech tree is a valuable tool for understanding the evolution of technology and its interconnectedness throughout history.

Author: mitchbob | Score: 140

81.
Dystopian tales of that time when I sold out to Google
(Dystopian tales of that time when I sold out to Google)

The author shares their experience working at Google in Brazil, reflecting on the company's culture, employee treatment, and personal realizations about capitalism and privilege.

  1. Google's Image: In 2007, Google was seen as a "good" tech company, promoting a fun work environment and the concept of "20% time" for personal projects. However, the author found themselves stuck doing mundane tasks with little chance to utilize this free time.

  2. Employee Discontent: The author expressed dissatisfaction with management about unfulfilled promises, which led to conflict and a realization that many employees felt the same pressures but were afraid to speak out.

  3. Treatment of Workers: The author created a bot to help employees but got reprimanded for sharing internal information with contractors, highlighting a divide in treatment between full-time employees and temporary workers.

  4. Awakening to Reality: An encounter with an AdSense employee revealed how the company exploited queer culture for profit. The author faced backlash for being too personal in their company profile, indicating a lack of support for individual identity.

  5. Class Disparities: Despite perks like free snacks and fun office environments, the author was aware of the underpaid contractors who did the essential work. They suggested cost-saving measures that were dismissed, illustrating a disconnect between management and the realities faced by lower-paid workers.

  6. Surveillance: The author experienced firsthand the invasive nature of corporate surveillance, which became a norm in the tech industry.

  7. Political Awakening: Working at Google revealed the harsh realities of capitalism, leading the author to question the ethics of corporate culture. They witnessed a lack of empathy from management towards laid-off workers during an economic crisis, which solidified their understanding of capitalist cruelty.

Overall, the author describes their journey from idealism to a critical understanding of the exploitative nature of tech capitalism, marked by personal anecdotes and reflections on class and privilege.

Author: stego-tech | Score: 232

82.
Tesla seeks to block city of Austin from releasing records on robotaxi trial
(Tesla seeks to block city of Austin from releasing records on robotaxi trial)

No summary available.

Author: nixass | Score: 62

83.
The Case for Terraform Modules: Scaling Your Infrastructure Organization
(The Case for Terraform Modules: Scaling Your Infrastructure Organization)

Summary: The Case for Terraform Modules: Scaling Your Infrastructure Organization

As infrastructure teams grow and their deployments become more complex, they face challenges in managing their Terraform configurations. Initially, teams often copy and modify code for new services, leading to technical debt.

Why Use Terraform Modules? Terraform modules help by creating reusable components for infrastructure. Instead of duplicating code, teams can use modules that encapsulate common patterns, allowing for easier updates and standardization of infrastructure practices. This reduces errors and improves consistency across environments.

Local vs. External Modules: Teams usually start with local modules for development. As they grow, they transition to external modules stored in Git repositories for better version control and sharing. Eventually, organizations may use private registries for structured versioning and distribution when their infrastructure becomes more complex.

Managing Secrets: Managing sensitive information, like credentials, is critical. Hardcoding is insecure, so tools like Infisical can help manage secrets securely. This approach ensures secrets are not stored in code or state files, simplifying credential management across modules.

Conclusion: As organizations scale, they need structured module management and automation to handle updates and maintain consistency. Local modules are often insufficient for larger infrastructures, making the transition to more robust systems essential for effective management.

Author: mooreds | Score: 7

84.
Aether: A CMS That Gets Out of Your Way
(Aether: A CMS That Gets Out of Your Way)

Aether CMS Overview

Aether is a lightweight content management system (CMS) designed for simplicity and speed. It avoids unnecessary complexity and bloat, aiming to improve the content management experience.

Background and Development

The creator's journey began with WordPress but transitioned to simpler technologies like HTML, CSS, and JavaScript. After creating two projects, Blog-Doc and LiteNode, Aether was developed as a culmination of these experiences, focusing on a modular architecture with only four core components: adm-zip, argon2, litenode, and marked.

Key Features

  1. File-Based Storage: Aether stores content as Markdown files with YAML frontmatter, allowing easy editing in any text editor and seamless version control with Git.

  2. Speed: Aether generates static sites that load quickly, eliminating delays from database queries or server-side processing.

  3. User-Friendly Admin Interface: The admin interface is straightforward, allowing users to write in Markdown, preview changes, and publish easily.

  4. Flexible Themes: Themes consist of plain HTML, CSS, and JavaScript files, making customization intuitive without complex build processes.

  5. Real-World Applications: Aether can handle various use cases like personal blogs, company documentation, marketing sites, and portfolios without needing plugins or extensive configurations.

Why Aether?

Unlike other CMS options that are either too complex or too limiting, Aether offers a balance of simplicity and flexibility, making it accessible for both content creators and developers.

Technical Specifications

Aether is built on Node.js, utilizing a lightweight server, Markdown parsing, file storage, secure password hashing, and a hook system for extensibility.

Getting Started

Setting up Aether is quick and easy, requiring just a few commands to install and start a new site.

Future Developments

The creator plans to add features like scheduled publishing, search functionality, advanced user permissions, and improved SEO tools.

Conclusion

Aether CMS is a fast and simple solution that prioritizes user experience and flexibility. Its file-based approach means there's no lock-in, allowing users to easily move their content if needed.

Author: LebCit | Score: 44

85.
LongCodeBench: Evaluating Coding LLMs at 1M Context Windows
(LongCodeBench: Evaluating Coding LLMs at 1M Context Windows)

Context lengths for models have increased significantly, from thousands to millions of tokens in recent years. This growth has made it challenging to create practical benchmarks for long-context models, as collecting tasks with millions of contexts is costly, and finding realistic scenarios is difficult. To address this, we propose LongCodeBench (LCB), a benchmark designed to test the coding abilities of long-context models. LCB focuses on code comprehension and repair by using real-world GitHub issues to create two main tasks: LongCodeQA for question-answering and LongSWE-Bench for bug fixing. We structured the benchmark to assess models of different sizes, from smaller ones like Qwen2.5 to larger models like Google's Gemini. Our findings show that long-context models struggle with these tasks, with performance drops observed, such as a decrease from 29% to 3% for Claude 3.5 Sonnet and from 70.2% to 40% for Qwen2.5.

Author: PaulHoule | Score: 19

86.
Mixtela Precision Clock MkIV
(Mixtela Precision Clock MkIV)

No summary available.

Author: namanyayg | Score: 8

87.
Show HN: Lambduck, a Functional Programming Brainfuck
(Show HN: Lambduck, a Functional Programming Brainfuck)

No summary available.

Author: jorkingit | Score: 65

88.
From tokens to thoughts: How LLMs and humans trade compression for meaning
(From tokens to thoughts: How LLMs and humans trade compression for meaning)

Humans group knowledge into simple categories while keeping important meanings intact, like recognizing that both robins and blue jays are birds. This balancing act involves expressing ideas clearly while maintaining detail. Large Language Models (LLMs) are good at language tasks, but it's unclear if they categorize information like humans do.

To explore this, researchers created a new framework based on information theory to compare how LLMs and humans categorize concepts. Their analysis revealed that while LLMs can form broad categories similar to human thinking, they often miss subtle distinctions that are important for human understanding. Additionally, LLMs tend to compress information heavily, while humans prioritize nuanced and context-rich representations, even if it means losing some efficiency in categorization.

These insights highlight important differences between how AI and humans process information, suggesting ways to improve LLMs to align more closely with human thinking.

Author: ggirelli | Score: 120

89.
Open Source Distilling
(Open Source Distilling)

The text discusses a video tutorial about the iSpindel device. It covers the new features of version 2.69, demonstrates a flat soldering technique, and shows how to balance the iSpindel to 25 degrees using a new method.

Author: nativeit | Score: 80

90.
HZ-program (Typesetting algorithm by Hermann Zapf)
(HZ-program (Typesetting algorithm by Hermann Zapf))

The Hz-program is a patented typographic composition software created by German designer Hermann Zapf. Its main goal was to produce even text layouts without issues like uneven word spacing.

History: Zapf detailed the program's development in a 1993 essay, noting his work at Harvard and the Rochester Institute of Technology (RIT), which was the first university to focus on typographic software. The Macintosh's launch in 1984 was pivotal, as it spurred demand for better typography software.

Functionality: The specifics of the Hz-program's algorithm are not widely known. It features a kerning system that adjusts space between characters quickly, improving text layout. The program was patented by URW and later acquired by Adobe to enhance InDesign, though it’s unclear if the original algorithm is still used.

Reputation: The Hz-program gained a near-mythical status due to its high-quality output and Zapf’s claims of its significance, comparing it to Gutenberg’s work. However, some designers have critiqued this comparison.

Overall, the Hz-program is recognized for its innovation in digital typography, but its exact methods and current application remain somewhat obscure.

Author: wolfi1 | Score: 7

91.
Taurine and aging: Is there anything to it?
(Taurine and aging: Is there anything to it?)

A new study has challenged earlier beliefs that lower taurine levels indicate aging and that taurine supplements can benefit older individuals. Researchers analyzed data from the Baltimore Longitudinal Study of Aging, the Study of Longitudinal Aging in Mice, and rhesus monkey blood samples collected over time. These longitudinal studies are crucial because they track the same subjects repeatedly, reducing errors from using different populations.

The findings show that taurine levels do not decrease with age; instead, individual differences among people are much more significant. This suggests that taurine is not a reliable marker of aging, and there’s no strong evidence that taking taurine supplements helps older people. The authors noted that any benefits might be specific to individuals rather than a general effect.

Overall, this information makes it clear that taurine supplementation for aging might not be effective, and further research is needed, especially regarding its potential role in certain health conditions, like leukemia. The author expresses relief at not taking taurine supplements based on previous assumptions.

Author: etiam | Score: 59

92.
Show HN: Claude Composer
(Show HN: Claude Composer)

Claude Composer CLI Summary

Overview: Claude Composer CLI is a tool that improves the functionality of Claude Code by adding automation, configuration options, and a better user experience.

Key Features:

  • Reduced Interruptions: Automatically handles permission dialogs based on user-defined rules.
  • Flexible Control: Users can create rulesets to define which actions are permitted automatically.
  • Tool Management: Users can set up toolsets to control which tools Claude can access.
  • Enhanced Visibility: System notifications keep users updated.

Quick Start Guide:

  1. Installation:

    • Use the command: npm install -g claude-composer (also compatible with pnpm and yarn).
  2. Initialize Configuration:

    • Run: claude-composer cc-init.
  3. Running Claude Composer:

    • Default settings: claude-composer.
    • Use specific rulesets:
      • claude-composer --ruleset internal:yolo (accepts all prompts).
      • claude-composer --ruleset internal:safe (requires manual confirmation).

Configuration:

  • Use claude-composer cc-init to set up the config file.
  • You can choose between global or project-specific configurations.

Basic Configuration Example:

rulesets:
  - internal:cautious
  - my-custom-rules

toolsets:
  - internal:core
  - my-tools

roots:
  - ~/projects/work
  - ~/projects/personal

show_notifications: true
sticky_notifications: false

Command Line Options:

  • Core Options: Specify rulesets and toolsets, ignore global config.
  • Safety Options: Allow actions in risky conditions.
  • Notification Options: Control visibility of notifications.
  • Debug Options: Enable logging and quiet mode.

Subcommands:

  • Initialize configuration with various options to customize the setup.

Development and Release:

  • Commands are provided for patch, minor, and major releases.

For more details, users can refer to the documentation on configuration, rulesets, toolsets, and environment variables.

Author: mikebannister | Score: 151

93.
Why are front end dev demand so high if front end development is easier? (2012)
(Why are front end dev demand so high if front end development is easier? (2012))

Front end developers are in high demand at startups, contrary to the belief that their work is easier than other engineering fields. In reality, front end development is complex because it involves creating code that functions across many different browsers and devices, each with its own quirks and limitations.

Unlike server-side developers, who typically work within a single language and environment, front end developers must deal with numerous browser versions and mobile variations, which can lead to many potential bugs. They primarily use HTML and CSS, which offer limited options for troubleshooting issues.

Additionally, front end developers need to understand web performance, security threats, and modern web technologies like responsive design, HTML5, and more. This complexity makes their role challenging and crucial for successful web applications.

Author: thunderbong | Score: 30

94.
Programming language Dino and its implementation
(Programming language Dino and its implementation)

Summary of Dino Programming Language and Implementation

Dino is a high-level scripting language that incorporates features of functional and object-oriented programming. It was initially designed in 1993 for a Russian game company and has undergone several major revisions.

Key Features of Dino:

  • Language Characteristics:

    • Resembles C, is object-oriented, and supports multi-precision integers and extensible arrays.
    • Includes powerful constructs like first-class functions, concurrency, and exception handling.
    • Provides pattern matching and Unicode support.
  • Data Structures:

    • Associative tables (hash tables) that allow dynamic addition and deletion of elements.
    • Array slices for efficient manipulation of arrays.
  • Functionality:

    • Supports anonymous functions and closures.
    • Implements fibers for concurrent execution, allowing lightweight threads.
  • Object-Oriented Design:

    • Classes function like specialized functions with public visibility.
    • Supports multiple inheritance and traits through a unique composition mechanism.
  • Pattern Matching:

    • Allows matching on various data structures, such as arrays and objects, simplifying code expression.
  • Exception Handling:

    • Implements a robust system for managing exceptions using classes and try-catch blocks.

Implementation Details:

  • Utilizes a bytecode compiler and interpreter with optimizations for performance.
  • Features Just-In-Time (JIT) compilation to enhance execution speed.
  • Supports dynamic type inference to optimize code without the need for extensive runtime checks.

Performance:

  • Dino's performance has been compared with languages like Python, Ruby, and JavaScript across various platforms, showing competitive execution times.

Availability and Building:

  • Dino is available for Linux, Windows (via CYGWIN), and MacOS. It can be built from source with specific configurations for debugging.

For more information or to access the source code, visit the Dino website or the GitHub repository. The project is licensed under GPL 2 and LGPL 2.

Author: 90s_dev | Score: 62

95.
You need to care about Product
(You need to care about Product)

Summary of Product Importance

  1. Critical Role of Product: Product is essential for any team or startup. Even with great technology and timely delivery, if the product isn't wanted by customers, it won't succeed.

  2. Understanding the Market: Teams need to identify the problems their product aims to solve and who their target customers are. This understanding helps create valuable solutions.

  3. Product Manager (PM) Responsibilities: The PM focuses on what and why the product should be built, conducting market research, and prioritizing features based on potential value. Their role is crucial but should involve the entire team.

  4. Collaboration: Teams should work closely with PMs to create a product roadmap, communicate technical challenges, and maintain accountability for project contributions. This collaboration builds trust and ensures alignment on goals.

  5. When There’s No PM: If a PM is absent, someone must fill that role to avoid project stagnation. Sometimes, other team members or even the CEO may take on these responsibilities, especially in early-stage startups.

  6. Engaging Engineers: Everyone, especially engineers, should care about the product's value. Understanding client needs and the impact of their work keeps morale high and ensures that efforts align with solving real problems rather than just coding.

  7. Consequences of Disengagement: If engineers lack understanding of the product value, they may build the wrong solutions, leading to wasted time and resources. It's important for engineers to see the bigger picture beyond individual tasks.

  8. Evolving Engineering Roles: As software engineering becomes more design-focused, engineers must understand the problems they are solving, not just the technical aspects of building.

In conclusion, a successful product relies on teamwork, understanding the target market, and ensuring all team members, especially engineers, are engaged and motivated by the product's purpose.

Author: jampa | Score: 7

96.
Show HN: iOS Screen Time from a REST API
(Show HN: iOS Screen Time from a REST API)

The Screen Time Network API allows you to do three main things:

  1. Check today's screen time for yourself or any public user.
  2. Access past screen time data for yourself or any public user.
  3. Subscribe to notifications about screen time events for yourself or any public user.

You can get started easily!

Author: anteloper | Score: 101

97.
See how a dollar would have grown over the past 94 years [pdf]
(See how a dollar would have grown over the past 94 years [pdf])

The text discusses the historical performance of various investment types over the past 99 years, from 1926 to 2024. Here are the key points:

  1. Past Performance: Historical returns do not guarantee future results, and investments should be made with caution.

  2. Investment Growth: A $1 investment in small and large stocks has shown significant growth compared to government bonds and Treasury bills. Small-cap stocks have the highest returns but come with higher risk.

  3. Volatility: Stocks are more volatile than bonds, meaning their prices can fluctuate significantly. Small stocks are especially risky due to their higher price volatility and lower trading volume.

  4. Investment Types:

    • Stocks: Offer the potential for high returns but are not guaranteed and can be risky.
    • Government Bonds: Provide lower returns but are backed by the U.S. government, making them safer.
    • Treasury Bills: Offer even lower returns but are also considered very secure.
  5. Investment Strategy: A well-rounded investment strategy should include a mix of stocks and bonds to balance risk and return, especially for long-term financial goals like retirement or education.

  6. Data Source: The data comes from the Stocks, Bonds, Bills, and Inflation Yearbook, which analyzes the performance of these asset classes.

In summary, investing is important for achieving financial goals, and understanding the risks and returns of different asset classes is crucial for making informed decisions.

Author: mooreds | Score: 69

98.
Tokasaurus: An LLM inference engine for high-throughput workloads
(Tokasaurus: An LLM inference engine for high-throughput workloads)

Summary of Tokasaurus: An LLM Inference Engine for High-Throughput Workloads

Tokasaurus is a new inference engine designed for high-throughput workloads with large language models (LLMs). It optimizes both small and large models, significantly improving processing speed compared to existing engines like vLLM and SGLang.

Key Features:

  1. Optimized for Small Models:

    • Achieves over 2x the throughput of other engines on certain benchmarks by minimizing CPU overhead and utilizing dynamic prefix identification to efficiently compute shared prefixes across tasks.
  2. Optimized for Large Models:

    • Supports both pipeline parallelism (PP) for GPUs without NVLink and asynchronous tensor parallelism (Async-TP) for GPUs with NVLink, maximizing throughput across different hardware configurations.
  3. Throughput Focus:

    • Tokasaurus is designed for batch processing, prioritizing total completion time and cost rather than individual response times, making it ideal for scenarios that require processing large sets of data quickly.
  4. Benchmarks:

    • In tests, Tokasaurus can outperform other engines by over 3 times in throughput, particularly when using large models on multi-GPU setups.

Availability:

  • Tokasaurus is open-source and can be installed via PyPI. It currently supports models from the Llama-3 and Qwen-2 families.

Conclusion: Tokasaurus provides an efficient solution for running LLM inference, particularly in environments where throughput is critical. It combines innovative techniques to minimize delays and maximize processing speed, making it a valuable tool for researchers and developers working with LLMs.

Author: rsehrlich | Score: 214

99.
One-Shot AI Voice Clones vs. LoRA Finetunes
(One-Shot AI Voice Clones vs. LoRA Finetunes)

Summary: Understanding One-Shot vs. Premium Voice Cloning

Voice cloning technology has improved significantly, but there are important differences in quality between two main types: one-shot cloning and premium cloning.

  1. One-Shot Cloning:

    • How it Works: Requires only 10-15 seconds of audio to create a voice clone.
    • Limitations: Sounds generic and lacks emotional depth. Different phrases sound the same, failing to convey emotions like joy or sadness.
    • Best Use Cases: Works if the target voice is common or doesn't require emotional nuance, such as reading simple news.
  2. Premium Cloning:

    • How it Works: Uses 20-30 minutes of high-quality audio to create a more nuanced and expressive voice clone that sounds human.
    • Advantages: Captures emotional tones like laughing and whispering, providing a more immersive experience.
    • Result: Produces voices that can engage users emotionally and sound indistinguishable from the original speaker.
  3. LoRA (Low-Rank Adaptation):

    • A technique that allows for efficient fine-tuning of voice models without needing to retrain them entirely. This makes premium cloning more accessible and cost-effective.
  4. Provider Comparison:

    • Four major voice cloning providers are compared based on cloning types, expressiveness, and pricing:
      • ElevenLabs: Limited emotional range in clones. Monthly fee of $22.
      • PlayHT: Basic one-shot clones, emotional expression in higher plans. Monthly fee of $299.
      • Cartesia: Offers both types but lacks immersion in emotional delivery. Monthly fee of $49.
      • Gabber: Focuses solely on premium cloning with expressive capabilities. Monthly fee of $39.

Conclusion: For projects needing emotional connection and immersive experiences, premium cloning is essential. One-shot cloning may work for basic applications, but premium options provide a more authentic and engaging voice experience. Gabber offers a competitive premium cloning service that emphasizes quality and emotional expressiveness.

Author: jackndwyer | Score: 10

100.
Virginia Tech researchers develop recyclable, healable electronics
(Virginia Tech researchers develop recyclable, healable electronics)

Virginia Tech researchers have developed a new type of electronics that are recyclable and self-healing. Traditional electronics are often discarded as e-waste, with recycling processes being inefficient and resulting in significant waste. The study, published in Advanced Materials, introduces circuit materials created by combining a dynamic polymer called vitrimer with liquid metals that conduct electricity.

This innovative approach allows the new circuits to be resilient, reconfigurable, and capable of being repaired with heat, unlike conventional circuit boards. The new materials can also be deconstructed more easily at the end of their life, allowing for the recovery of valuable components, reducing waste, and promoting recycling.

Overall, this research aims to reduce the growing problem of electronic waste by making electronics easier to recycle and more sustainable.

Author: giuliomagnifico | Score: 11
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