Ladybird passes the Apple 90% threshold on web-platform-tests

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

The least amount of CSS for a decent looking site (2023)

https://thecascade.dev/authors/kevin-powell.jpg
To create a responsive website, start with basic HTML and adjust font family, size, and line height. Enable dark mode based on user preferences and limit content width to improve readability.

Why do LLMs freak out over the seahorse emoji?

https://vgel.me/posts/seahorse/gpt5.png
A language model mistakenly believes a seahorse emoji exists due to its training data and convergent thinking. It tries to construct a residual representation of a seahorse combined with an emoji, leading to incorrect emoji sampling.

1 Trillion Web Pages Archived

https://blog.archive.org/wp-content/uploads/2025/08/1T_HERO_UPDATED_LOGO-1024x576.png
The Internet Archive will celebrate 1 trillion web pages preserved via the Wayback Machine in October. Events will highlight the memories and movements that made this achievement possible and look ahead to the future of web preservation.

My first contribution to Linux

https://vkoskiv.com/processed_images/2008_1.1d256077bc2c6fbb.jpg
The user fixed the media keys on their 2005 Fujitsu Lifebook S2110 laptop by adding a new keymap to the fujitsu-laptop driver in the Linux kernel. They successfully submitted their patch to the kernel maintainers and it was included in the upstream kernel, allowing them to upgrade to the latest kernel and have the keys work with it.

Microsoft is plugging more holes that let you use Windows 11 without MS account

https://platform.theverge.com/wp-content/uploads/sites/2/chorus/author_profile_images/197777/profilephoto.0.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400
Microsoft is removing workarounds for creating local accounts on Windows 11 to ensure proper setup. Users will now need an internet connection and Microsoft account for OOBE screens in future versions.

Gem.coop

gem.coop is a new server for Ruby gems offering fast, simple hosting and real-time updates. It's community-owned, transparent, and secure, with governance modeled on Homebrew and support for bundling all public gems.

Structured Procrastination (1995)

The author discovered a strategy called structured procrastination, where procrastinators use marginally useful tasks to avoid more important ones. By ordering tasks by importance and doing less important ones first, procrastinators can become effective and respected individuals.

Apps SDK

https://developers.openai.com/images/apps-sdk/ecosystem-bg1.png
Apps SDK is available in preview today for developers to begin building and testing their apps. We will open for app submission later this year.

AMD signs AI chip-supply deal with OpenAI, gives it option to take a 10% stake

Please enable JS and disable any ad blocker

An illustrated introduction to linear algebra

https://substackcdn.com/image/fetch/$s_!oFcY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F8c58a696-5f15-43e6-b606-d6fbb93b803f_267x315.png
The author introduces two big ideas in the first chapter: Gaussian elimination and row picture versus column picture, explaining how they can be used to solve linear equations and find the solution to a system of equations. The author also introduces the concept of linear algebra, explaining how it uses arrays of numbers instead of numbers and how it can be used to solve problems in a more ...

OpenZL: An open source format-aware compression framework

https://engineering.fb.com/wp-content/uploads/2025/10/Introducing-OpenZL-Meta.png
OpenZL is an open source data compression framework that offers lossless compression for structured data with performance comparable to specialized compressors. It uses a configurable sequence of transforms to uncover hidden order in the data and can be trained to improve compression performance based on provided data samples.

Mise: Monorepo Tasks

https://opengraph.githubassets.com/6f16aac16ac8436353c3fe0823c338bb9413d7787aab523d5041151d6f4e6a62/jdx/mise/discussions/6564
We're excited to announce Monorepo Tasks, a powerful new feature that brings first-class monorepo support to mise tasks! 🚀 What is it? Monorepo Tasks allows you to manage tasks across multiple ...

Nobel Prize in Physiology or Medicine 2025

https://www.nobelprize.org/uploads/2025/10/Carrier_1200x630-1024x538.jpg
The Nobel Prize in Physiology or Medicine 2025 is awarded to Mary E Brunkow, Fred Ramsdell and Shimon Sakaguchi for their discoveries on peripheral immune tolerance. Their research helps the immune system distinguish between self and non-self, preventing autoimmune diseases.

Show HN: I'm building a browser for reverse engineers

https://nullpt.rs/posts/reverse-engineering-browser/array-push-hook-demo.png
The user built a web reverse-engineering tool called Snitch that hooks arbitrary global functions and properties in web pages, allowing for stealthy analysis and modification of browser behavior. The tool uses the Chrome DevTools Protocol and Chromium's Blink layer to create custom events and intercept JavaScript execution, making it a powerful Swiss Army knife for web reverse-engineering.

A macOS terminal command that tells you if your USB-C cable is bad

https://kau.sh/images/content/uploads/2025/usbi-2.webp
The user created a script called usbi to check USB connections, initially in bash and then rewritten in Go with AI assistance. This script now makes it easy to identify slow USB cables.

A History of Large Language Models

https://gregorygundersen.com/image/llm/fig1-embeddings.png
The attention mechanism is a key idea behind large language models. it can be defined in terms of local versus global attention, says samuel e. liu, cnn's dr roberts, and generative pre-training, among other things. attention can also be used to model the left-right structure of many natural languages. the main idea is that the input to the model is only essentially

Ask HN: What's the best hackable smart TV?

You're looking for a used TV to use as a second monitor for your System76 laptop and music equipment, with minimal streaming features. Consider Samsung or LG for their wide range of HDMI options and Linux compatibility.

Show HN: Write It Down – Personal finance tracker

https://write-it-down.com/_next/image?url=%2Frandomguy.png&w=1080&q=75
Set up a financial tracking system with custom descriptions for income and expenses. Organize daily transactions for a clear view of spending habits and income patterns.
https://earthsky.org/upl/2025/09/CometA6-lemmon_Satellite-trails-John-Chumack_Neg-Sep-27-2025-e1759175234821.jpg
Starlink satellites are reentering Earth's atmosphere at a rate of 1-2 per day, with the number expected to increase to 5 per day due to the growing number of satellites in low-Earth orbit. The reentries can cause space debris and potentially lead to the Kessler syndrome, a scenario where collisions between objects in orbit create a cascade of debris.

It's just a virus, the E.R. told him – days later, he was dead

Please enable JS and disable any ad blocker

The AI bubble is 17 times the size of the dot-com frenzy and four times subprime

https://www.morningstar.com/assets/img/marketwatch.dad5abb.png
Research firm MacroStrategy Partnership warns of a potential AI bubble 17 times the size of the dot-com bubble, fueled by artificially low interest rates. They predict a recession and deflationary bust, recommending investors be overweight in resources and emerging markets.

Show HN: Kent Dybvig's Scheme Machine in 400 Lines of C (Heap-Memory Model)

Modern messaging: Running your own XMPP server

https://www.codedge.de/posts/modern-messaging-running-your-own-xmpp-server/cover_hu_ab4f7c06a6fe697c.webp
The user is setting up an XMPP server to protect their private data from surveillance and data leaks, using ejabberd with encryption and clustering. They are configuring the server with a Debian repository, SQLite database, and setting up admin users, file uploads, and registration with captcha.

Valorant's 128-Tick Servers (2020)

https://technology.riotgames.com/sites/default/files/articles/112/128header.png
Brent Randall, an engineer on the Gameplay Integrity team for VALORANT, shares the technical story behind the game's optimal server performance, which was achieved through code optimization, hardware tweaks, and OS tunings. The team's efforts resulted in a 20x reduction in server frame time, from 50ms to sub-2ms, and allowed for the launch of free 128-tick servers for players.

State Terror, American Style

https://substackcdn.com/image/fetch/$s_!yMXx!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdb703dbb-c3ad-4d45-83fa-5b3c8fb32f74_1041x694.jpeg
The author is concerned about the Trump administration's aggressive actions, including a recent Chicago apartment raid, which suggests a move towards autocracy. The author warns that people and institutions must resist the administration's attempts to intimidate opponents and consolidate power.

OpenAI ChatKit

https://opengraph.githubassets.com/75be76cf6689337b037909283a56a2821001c612726ec78072512d9f95bf5cb0/openai/chatkit-js
ChatKit is a framework-agnostic, drop-in chat solution for building high-quality AI-powered chat experiences. It simplifies chat development with minimal setup and customization options.

Ohno Type School: A (2020)

OH no Type Co. Retail and custom typefaces. Life’s a thrill, fonts are chill!

CodeMender: an AI agent for code security

https://lh3.googleusercontent.com/qQXJtLUbwdtnv5JrIinBUj-JgdjB-aA65EWcYSWxiLGoYPj8jTSmTAE2mmEpk530JlkLnV21krL-KdOH6N1NghVnAKTmQLobB7PNKaSFHyjmawjgKw=w1072-h603-n-nu
CodeMender is an AI-powered agent that automatically improves code security by patching new vulnerabilities and rewriting existing code. It uses Gemini Deep Think models to reason about code and validate changes, ensuring high-quality patches that fix root causes and prevent regressions.

Global Village Construction Set

https://www.opensourceecology.org/wp-content/uploads/2014/02/FbLogo.jpg
The Global Village Construction Set is a modular DIY platform for building industrial machines at low cost and high performance. It aims to create a world beyond material scarcity through open source collaboration and documentation.

The Debugging Book

https://www.debuggingbook.org/html/PICS/wordcloud.png
The Debugging Book is a textbook on automated software debugging, written by Andreas Zeller, covering techniques like fault localization and automated repair with interactive code examples. The book is available online with executable code and can be used for courses or as a resource for software developers.

CPU cache-friendly data structures in Go

False sharing occurs when multiple CPU cores update adjacent variables, causing cache line invalidation and performance degradation. Cache-friendly code is necessary optimization to improve locality and reduce garbage collector pressure in languages like Go.

Why we need SIMD

https://substackcdn.com/image/fetch/$s_!B1LI!,w_320,h_213,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F14e48fd2-581f-42bc-9b68-f6dae4068838_1440x1920.jpeg
The author discusses the history of SIMD instructions on the x86 platform, from its inception in 1966 to the current AVX512 instruction set. SIMD instructions enable a single instruction to perform multiple operations, increasing compute per instruction and delivering performance improvements to suitable workloads.

Mathematicians discover prime number pattern in fractal chaos

https://static.scientificamerican.com/dam/m/62a71db9070290f3/original/romanesco-broccoli-fractals.jpeg?m=1759523401.879&w=600
Mathematicians have long wondered if prime numbers follow a pattern or are truly random. Recent research has proposed several probabilistic patterns in large groups of primes, linked to the Riemann zeta function.

Embracing the parallel coding agent lifestyle

The author is using multiple coding agents to automate tasks and generate code, which helps with reviewing and landing changes. They're finding benefits in using agents for research, minor code edits, and reviewing code generated by others.

Under the hood: Vec<T>

https://marma.dev/static/images/ogimage.png
Rust's Vec is built from nested types like NonNull, RawVec, and Unique to form a safe API. Each layer adds a new guarantee and responsibility, ultimately providing a completely safe and efficient data structure.

Flightcontrol: A PaaS that deploys to your AWS account

https://www.flightcontrol.dev/_next/image?url=%2FheroImage.png&w=1920&q=75
Flightcontrol simplifies AWS management for developers, automating infrastructure provisioning, CI/CD, and deployments with a user-friendly dashboard. It reduces DevOps overhead, saving thousands of dollars and months of time, allowing developers to focus on building products.

Apple's Unlawful Evil

https://i0.wp.com/craphound.com/images/06Oct2025.jpg?w=840&ssl=1
Apple and Google removed the ICEBlock app, which helped people track ICE kidnappings, after receiving a warrantless demand from Trump's DoJ boss Pam Bondi. This move has sparked criticism of the companies' role in helping the Trump regime's violent and human-rights invading program.

RediShell: Critical remote code execution vulnerability in Redis

https://www.datocms-assets.com/75231/1759772061-redis2-2x.png?fm=webp
Wiz Research discovered a critical Remote Code Execution (RCE) vulnerability, CVE-2025-49844, in Redis, allowing attackers to execute arbitrary code. Organizations are urged to update their Redis instances immediately to the latest patched version.

Find Nearby Automated License Plate Readers (ALPR)

https://deflock.me/favicons/apple-icon-144x144.png
ALPRs are AI-powered cameras that track and store vehicle data, posing a risk to privacy and civil liberties. They collect data on millions of vehicles, often without a warrant, and can be used for wrongful arrests and profiling.

Battering RAM – Low-cost interposer attacks on confidential computing

https://batteringram.eu/assets/images/angel-demon.svg
Researchers developed a low-cost memory interposer called Battering RAM that can bypass memory encryption and access sensitive data on Intel and AMD cloud processors. The interposer can be built for under $50 and can compromise the security of confidential computing technologies like Intel SGX and AMD SEV-SNP.

"Be Different" doesn't work for building products anymore

https://substackcdn.com/image/fetch/$s_!V1Ly!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F28bee1a0-b225-4f44-8b27-0cd1349e45ef_1024x917.png
AI is changing software development, making it easier and faster for non-developers to build software. In a crowded market, companies must differentiate themselves through unique features, distribution channels, or regulatory barriers to succeed.

When ChatGPT turns informant

https://substackcdn.com/image/fetch/$s_!4RJx!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fab934502-f083-46b8-903a-ae1c92549de5_2912x1632.png
The user discusses a potential privacy risk with ChatGPT's memory feature, which can reveal deeply personal information about users if accessed by others. A simulation using Anthropic's Claude and ChatGPT shows how the AI can infer and share sensitive information about a user's thoughts, behaviors, and relationships.

Show HN: A Digital Twin of my coffee roaster that runs in the browser

This is a data-driven digital twin of my Kaleido M1 sample roaster. It forecasts roaster and bean physics. You can interact with my virtual roaster in the same way you'd use the real one. This demo defaults to Ethiopian Guji beans, 24C ambient, 180C preheat, and 60% drum speed.

Testing two 18 TB white label SATA hard drives from datablocks.dev

https://ounapuu.ee/posts/2025/10/06/datablocks-white-label-drives/media/cover.jpg
The user purchased two 18 TB white label hard drives from datablocks.dev for bulk storage and backups, finding them to be a good deal at 13 EUR/TB. They are noisy but run cool and have performed well in day-to-day operations.

Zürich voters ban noisy leaf blowers

https://www.swissinfo.ch/content/wp-content/uploads/sites/13/2025/09/682ec9782c9978d1cbe2d94c7ffdcce6fbed838d-90081961.jpg?ver=c382c6c2
Zurich voters banned petrol-powered leaf blowers with a 61.7% majority and restricted battery-powered models to October to December. The ban applies to both private individuals and municipal employees.

A beginner's guide to deploying LLMs with AMD on Windows using PyTorch

https://gpuopen.com/images/pytorch-windows-amd-llm-guide-01.DYyqpWV-.png
To deploy advanced AI models on local hardware, a capable Microsoft Windows PC with PyTorch installed and an AMD graphics card is required. A step-by-step guide is provided to set up and execute Large Language Models (LLMs) locally on a Windows PC using PyTorch with an AMD GPU or APU.

Talk Python in Production

https://cdn-podcast.talkpython.fm/static/img/python-in-production-book/devops-book-web-hero.webp?cache_id=96cc2e
Talk Python in Production is a book that teaches Python developers how to deploy and manage their applications at scale without relying on cloud services, using a "stack-native" approach that emphasizes simplicity, flexibility, and cost-effectiveness. The book covers topics such as Docker, NGINX, container orchestration, and more, and provides real-world examples and step-by-step tutorials to ...

Chess.com regional pricing: A case study

https://mobeigi.com/_next/image/?url=%2Fapi%2Fmedia%2Ffile%2Fcoffee-price-comparison-india-usa.webp&w=1200&q=100
Chess.com uses regional pricing based on a user's IP address and account activity to determine the correct pricing for their premium membership plans in different countries. The company uses techniques such as fingerprinting and Cloudflare anti-bot measures to prevent users from exploiting cheaper regions to share memberships with friends in high-price countries.

Should I choose Ada, SPARK, or Rust over C/C++? (2024)

https://blog.adacore.com/uploads/_2400x1200_crop_center-center_none/245329-adacore-code-snippets-2.jpg
AdaCore supports C/C++, Ada/SPARK, and Rust for high-integrity software development, with each language having unique strengths and weaknesses. The choice between Ada, Rust, and SPARK depends on the team's goals, appetite for change, and specific needs, with SPARK offering industrial-strength formal methods for comprehensive proven properties.

ScribeOCR – Web interface for recognizing text, OCR, & creating digitized docs

https://raw.githubusercontent.com/Balearica/scribeocr-docs/gh-pages/img/mode_comp1.png
Scribe OCR is a free web application for recognizing text from images and creating searchable PDFs. It allows users to correct errors in recognized text and produce fully digital versions of documents.

FSF turns forty with a groundbreaking new project and a new president

https://www.fsf.org/news/fsf-turns-forty-with-a-new-president-and-a-new-campaign/image_mini
The Free Software Foundation celebrated its 40th birthday with a vision for 2026, including a new president, Ian Kelling, and the LibrePhone Project. The event featured talks on free software, community engagement, and the importance of software freedom in education and mobile computing.

Neutts-air – Open-source, on device TTS

https://opengraph.githubassets.com/10f49d52627898a862952defe589199906f06965691d70427547eea81419ebf5/neuphonic/neutts-air
NeuTTS Air is a super-realistic on-device TTS model with instant voice cloning, built on a 0.5B LLM backbone for natural-sounding speech and real-time performance. It enables embedded voice agents, assistants, and compliance-safe apps with speaker cloning and built-in security.

OpenAI is good at deals

OpenAI partnered with AMD, causing the company's stock to rise by 29% to $213 per share. This deal added $78 billion to AMD's market capitalization.

Wi-fi signal tracks heartbeat without wearables

https://spectrum.ieee.org/media-library/over-the-shoulder-view-of-researching-reviewing-line-graph-data-on-their-laptop.jpg?id=61696168&width=1200&height=900
Researchers developed Pulse-Fi, a low-cost method using Wi-Fi signals to monitor heart rate without wearables, offering advantages over existing methods. Pulse-Fi's AI model estimates heart rate in real time with an error rate of less than 1.5 beats per minute.

Mic-E-Mouse – Covert eavesdropping through computer mice

https://lh3.googleusercontent.com/sitesv/AICyYdYr-_jvAQiHP6BIqu4ygoDpknxameoQPGY74z61NhrzJOo26nhqgWFW9vA43R10DWBJKMSr28Wvjpa3cG_BVqfA5zTtDAyIWe2y-wiLG8w5vCECfjxS2Sw4ggRoUn1wAfE_dxNPjbZKnqv0q8t6u-yp0wzJmVBT6R2-sra_a_zm78K18Z7asRGrGwRSm6qtjNNFkkrG6VlOlZCTspc9vMohK43rDH9xzBBqFR0=w1280
Researchers discovered a vulnerability in high-performance optical sensors in mice that can leak confidential user speech. They developed a pipeline called Mic-E-Mouse to overcome challenges and achieve intelligible reconstruction of user speech.

Being blocked from contributing to lodash

https://bear-images.sfo2.cdn.digitaloceanspaces.com/herman-1683556668-0.png
You attempted to contribute to the lodash project by adding package provenance, but your pull request was rejected and you were blocked from contributing. You learned a valuable lesson about open source contributions and the importance of gauging interest before submitting a pull request.

Translating Cython to Mojo, a first attempt

The author experimented with Mojo, a language for speeding up functions, by translating a part of scikit-learn's DBSCAN algorithm from Cython to Mojo. The translation was surprisingly straightforward, but performance was lacking due to Mojo's PythonObject iteration.

Nearly half of drivers killed in (Ohio County) crashes had THC in their blood

https://www.sciencedaily.com/images/1920/auto-accident-overturned-car.webp
A new study found 41.9% of deceased drivers tested positive for THC, with average levels far exceeding impairment limits. Experts warn that lack of public awareness about marijuana's dangers behind the wheel is putting lives at risk.

A quiet change to RSA

https://www.johndcook.com/jdc_20170630.jpg
RSA public key is a pair of numbers (e, n) where n = pq and e is usually 65537. The security of RSA relies on the difficulty of computing φ(n) or λ(n) given p and q, where λ(n) is Carmichael's totient function.

The product of the railways is the timetable

https://substackcdn.com/image/fetch/$s_!8XrW!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbaaf888a-be80-467a-80a1-f046bcd4125e_1010x864.jpeg
The railways' product is the timetable, which offers travel to the public via precise mapping of space and time. To succeed, railways must optimise their timetable for speed, reliability, and connections between services.

GPU Hot: Dashboard for monitoring NVIDIA GPUs on remote servers

https://raw.githubusercontent.com/psalias2006/gpu-hot/main/gpu-hot.png
A self-contained dashboard monitors NVIDIA GPUs on remote servers via a browser without SSH. It runs in a single container on one port with no configuration required.

Rejected announces from libtorrent clients proxying through SOCKS

User had issues with qBittorrent using a SOCKS5 proxy, as it unsets the listening port and makes trackers blacklist the client. They applied a custom patch to libtorrent but it failed, and instead modified qBittorrent to hardcode a flag to fix the issue.

Dimensions of everyday objects

https://cdn.prod.website-files.com/5b44edefca321a1e2d0c2aa6/64c23d6943d35ea1f077457a_Dimensions-Buildings-Handrails-3D-Intro.jpg
Handrails provide grip and support in construction, aiding balance and mobility. A sliding door operates on a track, moving horizontally with rollers or bearings.

Sora, AI Bicycles, and Meta Disruption

https://i0.wp.com/stratechery.com/wp-content/uploads/2025/10/sora-meta-2.png?resize=1330%2C1188&ssl=1
The author initially underestimated Sora's AI-generated content, but now sees it as a game-changer, making creation accessible to everyone. The app's focus on user-generated content and social interaction is a key differentiator.

Launch HN: Grapevine (YC S19) – A company GPT that actually works

https://framerusercontent.com/images/Q95RlyWf8INvsdOekVARrrO99M.png?width=400&height=400
A company is developing an AI agent that searches and organizes company data, aiming to reduce busywork and increase productivity. The product, Built to Gather, prioritizes data security and privacy with industry-standard encryption and regular security audits.

How the US got left behind in the electric car race

https://ichef.bbci.co.uk/news/480/cpsprodpb/1211/live/e939d750-9fbe-11f0-b73e-e715acbd6a10.jpg.webp
US electric car sales surged to 1.2 million last year, but momentum is expected to reverse due to the end of a government subsidy. Analysts predict a drop in demand as carmakers struggle with tariffs and high prices.

Compiling a Forth

The user built a bytecode compiler and VM for a Forth-like language, supporting stack operations, DO/LOOPs, and variables. The compiler generates bytecode directly from tokens, and the VM executes this bytecode using an instruction pointer and jumps.

Functional Threading "Macros"

https://aartaka.me/assets/threading.png
Artyom Bologov discusses implementing threading macros in Common Lisp using combinators, specifically the T combinator, to create a piping function. He demonstrates the process in his Lambda Calculus compiling language, Lamber, and shows how it can be used to create a threading effect.

The worrying kink in this job openings, unemployment curve

https://images.axios.com/Od0ib51mHyM9n2-elwezKCXXJj4=/0x275:8134x4850/1920x1080/2025/10/06/1759755920978.jpeg?w=3840
US labor market is in a precarious balance, vulnerable to rapid worsening if employers cut job postings. The Federal Reserve is cutting interest rates to lower the odds of a spike in unemployment.

A case for learning GPU programming with a compute-first mindset

https://themaister.net/blog/wp-content/uploads/2025/10/Screenshot_20251004_121250.png
Beginners in GPU programming should start with compute shaders and debugging tools like RenderDoc to understand how GPUs execute code, rather than traditional graphics rendering. A "meta-tutorial" approach can be used to teach GPU programming, starting with a mid-level API abstraction like Granite, and gradually introducing the underlying Vulkan API and graphics pipeline.

Show HN: I've build a platform for writing technical/scientific documents

https://www.monsterwriter.com/hero-screenshot.png
Students use MonsterWriter to manage time and avoid last-minute work. The app adds citations and features for complex content automatically.

Origami Patterns Solve a Major Physics Riddle

https://www.quantamagazine.org/wp-content/uploads/2025/10/Amplituhedron-crNimaArkani-Hamed-2.webp
A young mathematician named Pavel Galashin found a connection between the amplituhedron and origami, showing that patterns in origami can form the amplituhedron. This link helped resolve an open conjecture about the amplituhedron's structure and its connection to particle collisions.

The (economic) AI apocalypse is nigh

https://i0.wp.com/craphound.com/images/27Sep2025.jpg?w=840&ssl=1
The author believes the AI bubble will burst, causing economic devastation, as AI companies are not profitable and rely on investors' money to stay afloat. The author suggests planning for a future where AI is used responsibly and its benefits are realized.

OpenAI DevDay 2025: Opening keynote [video]

CHERI with a Linux on Top

https://static.lwn.net/images/2025/lsseu-shaw-sm.png
The CHERI project is a rethinking of computer architecture to improve system security by extending instruction-set architectures to add support for capabilities, which are a mechanism for access control. CHERI aims to provide memory safety for languages like C and C++ and fine-grained compartmentalization, and it is being implemented in Linux with the goal of improving the security of computer systems.

Thoughts on the Word Spec in Rust

Tritium aims to own the Word spec for legal tech by implementing a custom Word processor in Rust. It uses docx_rs as a reference but needs to support the entire Word spec for round-trip testing.

The Fourth Quadrant of Knowledge

The author describes the knowledge quadrant, a concept dividing known and unknown knowledge into four quadrants: known knowns, known unknowns, unknown knowns, and unknown unknowns. This framework is useful in strategic planning and psychology.

Tire Pressure Sensor IDs: Why, Where and When (2015)

The website is temporarily blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID to report the issue.

Show HN: Turn your OpenAPI spec into negative tests

https://opengraph.githubassets.com/b02dd400abe12d9b51ae1689086884c44c5b8cd0d80fae4a47bd9f1805860c64/dochia-dev/dochia-cli
Dochia is a tool that automatically generates and executes negative and boundary testing for APIs. It helps developers focus on creative problem-solving by rigorously testing API limits.

Ahab's Arithmetic: The Mathematics of Moby-Dick

Herman Melville's novel Moby-Dick contains numerous mathematical references and allusions, suggesting that Melville had a high level of mathematical knowledge and ability. The article explores these references and argues that they demonstrate Melville's enjoyment and proficiency in mathematics, making him an unusually mathematically-minded writer.

A Tissue Therapeutics Revolution

https://cutiss.swiss/wp-content/uploads/elementor/thumbs/denovoSkin-c-Frank-Br%C3%BCderli-hero-od86yxgjj0qvnay300mxls71ydw846csflnph6r9z4.jpg
CUTISS is a TechBio company developing skin tissue therapeutics with denovoSkin, a personalized therapy for skin surgery. denovoSkin is manufactured in a GMP facility and enables scalable, cost-effective production of living skin.

A PhD in Snapshots

https://avatars0.githubusercontent.com/u/1057676?v=3&s=460
The user completed a PhD in computer science in 5 years, focusing on machine learning and its applications in drug discovery, and developed an open-source package called DeepChem to facilitate computational drug discovery. The user's research led to several publications and collaborations with pharmaceutical companies, and they are now working on various projects, including deep learning for ...

WebGPU and the Price of Compiling WGSL

https://hugodaniel.com/images/vertexshadertimings.webp
User created a WebGPU app to test WGSL shader complexity and compilation time. The app allows users to increase shader complexity with sliders and measures cold and warm compilation times.

How Europe crushes innovation

Western companies have two different methods for mass layoffs, with the US method involving a sudden Zoom call and the European method involving lengthy consultations and potential strikes.

My Life in Ambigrammia

https://cdn.theatlantic.com/thumbor/B2-fOxUYvIYEt33pTR4-ZMdB6mc=/0x0:1500x844/960x540/media/img/mt/2025/10/ambigram2/original.gif
The author, a passionate ambigram artist, explores the art of creating ambigrams, which have multiple readings or symmetries, and how it brings him joy and beauty. He believes that creating ambigrams is a way to bring beauty into the world, even in dark times, and that it's a crucial part of his life.

An MVCC-like columnar table on S3 with constant-time deletes

https://www.shayon.dev/s3parquet-new.png
The user proposes a columnar table format using Parquet and S3 primitives with conditional writes for coordination, tombstones for constant-time deletes, and a single-object transaction pointer for snapshot isolation. This design is suitable for append-heavy analytical workloads with occasional bulk deletes, such as event logs, time-series data, or CDC streams, but has natural scaling limits ...

Microsoft is about to launch free Xbox Cloud Gaming with ads

https://platform.theverge.com/wp-content/uploads/sites/2/chorus/author_profile_images/197777/profilephoto.0.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400
Microsoft is testing an ad-supported version of Xbox Cloud Gaming for employees, allowing free streaming of select games with ads. The service will be available on PC, consoles, and web, with a public beta test planned soon.

Build a VPN Tunnel with Wintun on Windows – Part 1

https://0xmm.in/posts/peer-to-peer-windows-part1/wintun.png
Tailscale uses Wintun, a TUN driver developed by WireGuard, to create a Layer 3 virtual adapter on Windows. Wintun allows user-space applications to directly work with IP packets, enabling peer-to-peer communication without encryption.

Automated Lean Proofs for Every Type

https://cdn.prod.website-files.com/673b407e535dbf3b547179ff/68dae848949631e1c8fb5f3b_7708759f.png
The author explored using SMT solvers to automate Lean proofs, saving over 6,800 lines of code in verifying the frontend of the Jolt zkVM, but found that a technical bridge is not enough and users need to choose SMT theories and encodings. A novel tactic was built to translate ZMod to Nat to BitVectors, and the author hopes that a more general framework for type translation will be developed ...

Representation Engineering (2024)

https://vgel.me/permalink.svg
Researchers from the Center for AI Safety published a paper on "Representation Engineering" which explores a top-down approach to AI transparency using "control vectors" that can modify a model's behavior without prompt engineering or fine-tuning. Control vectors can be used to elicit specific behaviors or traits in a model, such as honesty, creativity, or self-awareness, and can be applied ...

Why do we need MAC addresses?

MAC addresses are used for local network communication, such as Ethernet and Wi-Fi, to uniquely identify devices within a network. IP addresses are used for internet communication, while MAC addresses are used for local routing within a network, such as between a device and a router.

A Global Mining Dataset

https://tech.marksblogg.com/theme/images/icmm/qgis-bin_2K0to1HuDc.jpg
The user analyzed the International Council on Mining and Metals (ICMM) global mining dataset using Python and DuckDB, extracting insights on asset types, primary commodities, and country distributions. They also used OpenStreetMap data and Umbra satellite imagery to visualize the Diavik Diamond Mine in Canada, combining vector data with satellite imagery for a comprehensive view.

QA-use-MCP: MCP for E2E testing

https://raw.githubusercontent.com/desplega-ai/qa-use/HEAD/static/demo-thumbnail.png
The MCP server provides comprehensive browser automation and QA testing capabilities, integrating with desplega.ai for automated testing and session monitoring. It supports various transport modes, including stdio and HTTP, and can be configured using various CLI tools and APIs.

Disney+ Subscribers Face a Wave of Cancellations

You don't have permission to access "http://www.techbook-magazine.com/streaming/providers/disney-subscribers-face-a-wave-of-cancellations" on this server.

OpenZL: A novel data compression framework

https://opengraph.githubassets.com/2d407fb671fbdb6f678781929e2d1ab7084856ab83570a61359635be0f7922a0/facebook/openzl
OpenZL delivers high compression ratios and speeds for specialized datasets. It's a production-ready library with a universal decompressor and customizable compressors for AI workloads and more.

ACP Brings JetBrains on Board

https://zed.dev/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Flogo_icon.d67dc948.webp&w=3840&q=100
JetBrains will co-develop the Agent Client Protocol with us, bringing ACP support to their entire IDE lineup. This partnership aims to standardize agent support and give developers freedom to use any ACP-compatible agent in their preferred tools.

Automated code reviews via mutation testing

https://repository-images.githubusercontent.com/5152718/b7f45500-2d53-11ea-8bfb-4b8bd15a0f93
Mutant is a mutation testing tool that simplifies code while ensuring tests pass. It's commercial software with a free option for open-source projects on public repositories.

The case for an iceberg-native database

https://cdn.prod.website-files.com/683882630fceea3de6f57776/68c82689ad68004ea9c3e278_ab%20(1).png
WarpStream Tableflow is a solution that converts Kafka topic data into Iceberg tables with low latency and keeps them compacted, addressing the challenges of building and maintaining Iceberg tables from real-time data. WarpStream Tableflow is a custom, BYOC-native and cloud-native database that efficiently creates and maintains streaming data lakes, with a declarative YAML configuration and ...

Stress-Testing 100 Bluetooth Beacons (So the Team Can Sleep Well at Night)

https://dunkels.com/adam/assets/images/stress-testing-bluetooth-beacons/nrf52840.png
We set up a testbed with hundreds of devices to ensure a system works reliably in challenging environments. The testbed helps catch issues early and ensures critical features like OTA updates work reliably.

'Obedient, yielding and happy to follow': the troubling rise of AI girlfriends

https://i.guim.co.uk/img/media/570015f2e5d3ddef62ed38b939eace9c8f995873/480_0_4800_3840/master/4800.jpg?width=445&dpr=1&s=none&crop=none
AI girlfriend websites are rising in popularity, offering users to form relationships with AI-generated companions, which can be customized to user preferences. Campaigners for women's rights express concern that these sites embed unhelpful stereotypes and may enable users to create illegal material.

A Library for Parsing Dutch Smart Meter Requirements (DSMR)

https://opengraph.githubassets.com/0932aa78972933cfdaa419f3997967f0a6e4e71e7192e22ecc126fc5815e3935/mijnverbruik/dsmr
The DSMR library parses smart energy meter telegrams into Elixir structs for energy monitoring applications. It handles version differences and supports high-precision decimal calculations.

Beginnings: The Dempster Dumpster

https://www.classicrefusetrucks.com/images/DEi/DE4174.jpg
George Dempster was born in 1887 to Scottish and Irish immigrants and worked on the Panama Canal project before forming a construction company with his brothers. Dempster developed a novel device for lifting and transporting portable storage containers, which became the first Dempster Dumpster and revolutionized refuse collection.

Novel Stable and Low-Energy Earth-Moon Cycle Orbits [pdf]

New class of low-energy Earth-Moon cycler orbits discovered, offering stable and efficient transportation for spacecraft and supplies. These orbits alternate between Earth and Moon, exhibiting temporary capture around each primary body.

AI has found 50 bugs in cURL. "AI-native SASTs work well"

https://etn.se/images/t/fb.png
A Swedish cURL maintainer and an Australian security researcher used AI SAST tools to find 50 real bugs in cURL. The researcher, Joshua Rogers, used generative AI tools to analyze code and found bugs that traditional static analysis tools had overlooked.

French PM Lecornu resigns hours after forming cabinet

https://img.lemde.fr/2025/10/06/0/0/2048/1365/664/0/75/0/168a74d_upload-1-dflu1dbf8est-l1006468.jpg
French Prime Minister Sébastien Lecornu resigned after 27 days in office due to lack of support from governing coalition parties. His resignation plunges France into political uncertainty, with calls for snap parliamentary elections and President Emmanuel Macron's resignation.

Locality, and Temporal-Spatial Hypothesis

The temporal-spatial locality hypothesis assumes that data written at similar times is likely to be read at similar times, which is true in many streaming systems but not in hash-based databases like DynamoDB. This hypothesis is related to the temporal and spatial locality hypotheses, which assume that recently accessed data is likely to be accessed again soon and nearby data is likely to be ...

Expected Attention: KV Cache Compression by Estimating Attention

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers introduced Expected Attention, a training-free method to compress Key-Value cache by predicting future query attention. It leverages LLM activation properties to rank and prune KV pairs with minimal impact on performance.

Building Effective Text-to-3D AI Agents: A Hybrid Architecture Approach

https://www.addy.rocks/graph1.png
A hybrid AI system combining a 'Thinker' LLM for high-level reasoning and a 'Doer' LLM for coding improved efficiency and reliability. Smart architecture and model composition unlock more capable AI agents for complex creative work.

AmigaMidiRecieve – Transfer File from Any OS to Amiga via MIDI

https://opengraph.githubassets.com/56cdce3b753a82c2d036f6b3b20afb6159b920a0d23e98a1c38c9b7a7fb53901/wertstahl/AmigaMidiRec
AmigaMidiRecieve transfers files from any OS to Amiga via MIDI, using affordable components but slow due to 1983 MIDI standards. It requires Python, MIDI interfaces, and Amiga RAM, with experimental software use at own risk.

How to Create an IoT App in Kotlin Multiplatform

https://cdn-dppbk.nitrocdn.com/yQqYxSaTIazRSTSDbfxPrqFzJPJOhsTG/assets/images/optimized/rev-4f5c00f/www.thedroidsonroids.com/wp-content/uploads/2025/09/Grafika-wewn-1-4-940x517.png
The article explains how to build a simple IoT app using Kotlin Multiplatform, Compose Multiplatform, and the Kable library for Bluetooth communication, allowing for shared logic and native UI on Android and iOS. The app connects to a Bluno BLE device, lets users select a number on a slider, and sends it to the device to blink its onboard LED.

Generation X may be the first to need a universal basic income

Older white-collar workers displaced by AI may face financial hardship due to limited severance packages and lack of retirement savings. A universal basic income could help mitigate this issue, as it has been successful in increasing well-being and employment rates in other countries.

Bulk Operations in Boost.Bloom

Boost.Bloom introduces bulk operations in Boost 1.90 for speedup in insertion and lookup. Bulk operations reduce CPU stalling and branch prediction issues.

Crypto-Current (2021)

https://substackcdn.com/image/youtube/w_728,c_limit/UVGq0zaZsNg
Bitcoin is a philosophical automatism that tells the truth through its operational principle, closing upon itself and knowing itself. It introduces a time-machine that complicates initial intuitions about its novelty, re-thinking time and sovereign decision.

America is now one big bet on AI

https://images.ft.com/v3/image/raw/https%3A%2F%2Fd1e00ek4ebabms.cloudfront.net%2Fproduction%2Fbe7daf2f-242b-4a43-812b-21e3de3be5eb.jpg?source=next-barrier-page
Save 20% by paying a year upfront for FT Digital Edition, complete with expert analysis. Cancel anytime during the trial period for $75 monthly.

Revocation Confusion

https://nullpxl.com/revoked/securityriskahead.png
The user experienced a security warning when trying to access flyflair.com using Firefox due to a revoked SSL certificate, but Chrome allowed access. This highlights the need for better security warning screens and consistency across browsers and operating systems, as well as more efficient certificate revocation methods like CRLite.