Whatever became of holography? (2011)

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Total Annihilation, rebuilt for modern computers

https://nanolathe.gg/images/renderer/hero-living-base-e2ac78cd.webp
A modern, MIT-licensed engine reimagines Total Annihilation through clean-room research, offering a browser demo and full game installation. The engine features improved graphics, camera controls, and online play capabilities with existing game files.

Fingerprints Are the New Cookies

https://imgs.xkcd.com/comics/password_strength.png
The author discusses how websites track users through their browser fingerprints, which can be used to identify individuals. This data is often sold or shared with third parties, compromising user privacy.

Cartographers of North Korea (2019)

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An analysis of the OpenStreetMap data in North Korea: Who are the contributors?

Recursive self-improvement through collective intelligence

https://pub.sakana.ai/mass/assets/figures/printing-workshop-c1600.jpg
Researchers are developing a method called Multi-Agent Self-Supervision (MASS) to enable AI models to learn from their own team's collective intelligence, allowing them to improve without human guidance. MASS uses the same model as the executor, optimizer, and evaluator in a homogeneous recursive self-improvement loop.

Ask HN: Do you want a router that has DD-WRT pre-installed?

Sorry

HashiCorp archives the Boundary open source repo

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Boundary Community Edition is archived and no longer supported, with future development focusing on HCP Boundary and Boundary Enterprise. Existing users should evaluate whether CE meets their requirements or consider alternative options like HCP Boundary or Boundary Enterprise.

Illustration Beyond Proof

https://terrytao.wordpress.com/wp-content/uploads/2026/10/cubics_determinant.webp
Mathematicians and educators discuss the meaning of rigorous illustrations in mathematical research, questioning traditional measures of success like theorem production. They explore how illustration can reveal new insights and provide a more nuanced understanding of mathematics beyond proof-writing.

The gap in shared understanding of LLM capability is widening

https://pbs.twimg.com/media/HUX9pi4XgAAxKJQ?format=webp&name=large
The gap in understanding of Large Language Model (LLM) capabilities is widening, with 75% of the population having little to no interaction. The funnel represents a sharp increase in users from casual and infrequent to professional-grade systems, with only 0.00006% accessing frontier-grade systems internally.

Local Indexing to reduce tool calling and token usage

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Pensieve is a tool that connects coding agents to search for relevant passages in code, reducing the need for grep and saving tokens. It indexes files, folders, repos, and agent sessions locally on the Mac.

Governments are mishandling the affordability crisis

Terence Tao: Math 2.0 [pdf]

Mathematicians are using AI to solve long-standing problems, but the field needs more transparent assessments of AI capabilities and consideration of human expertise. This shift may lead to new "difficulty landscapes" in mathematics research.

Programmable pigments: Photochromic nanoparticle inks for rewritable tattoos

So, You’d Like To Sell Your Print Issues Of The Onion?

https://theonion.com/wp-content/uploads/2026/10/onion-vol21-issue18-front-page.jpg?w=768
The Onion is seeking specific issues to fill gaps in their collection. Users can provide information about the issues they have through a Google Form, and archivists will contact them if interested.

Chapter 1 of "Ways of Seeing" by John Berger (1972)

https://www.ways-of-seeing.com/images/ch1_og_1.jpg
The author discusses how seeing comes before words and that images are man-made, created to convey a way of seeing. The reproduction of art has changed the way we experience and understand it, making it more accessible but also losing its unique authority.

IRCv3

The IRCv3 Working Group develops and tests changes to the IRC client protocol, with specifications including RFC1459 and RFC2812. The group also defines extensions for easier development of advanced client features.

Google is illegaly cutting forest to build data centers

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Google ordered to temporarily stop work on two datacentres in Finland due to failure to conduct environmental impact assessments. The company must suspend preparatory measures until the assessment is completed, with fines possible if non-compliance occurs.

Qt An E2EE post-quantum messenger core in Rust (10k connections on 124MB RAM

https://opengraph.githubassets.com/862f1da8946b7763c92c731b0766c10120df3e656813423f2fc0a7f499a5f85b/moral666/QT
A implementação técnica de protocolos E2EE como X3DH, Double Ratchet e pós-quântico em Rust é sólida e testada, mas ainda não está pronta para uso diário. O projeto visa resistência a backdoors e conformidade com leis como o "Chat Control", com foco em privacidade e segurança criptográfica.

Passkeys are a trap

NYC's "Click to Cancel" rule is now in effect

https://www.nyc.gov/content/dam/nycgov/nyc-main/pages/click-to-cancel_Zohran.png
New York City enforces a rule requiring businesses to make cancellation as easy as signing up, with penalties for non-compliance starting at $525. Consumers can file complaints online and receive assistance from the Department of Consumer and Worker Protection (DCWP).

I guess I'm using WebP now?

https://anderegg.ca/img/logo.png
The author has switched to using WebP images after 20+ years of using JPEGs, PNGs, and SVGs. They now find WebPs to be a good format with advantages over other formats like JPEG or PNG.

500B tokens later: Letting AI agents decompile a first-person shooter

https://momo5502.com/posts/2026-10-09-game-decompilation/images/game.png
The author successfully decompiled a popular first-person shooter game using AI orchestration and optimization techniques, achieving 99% accuracy of the game's functions. The project taught valuable lessons on precise instructions, machine-checkable correctness, and the importance of reducing token consumption over productivity.

Safe SIMD in Rust, even on the inside

Rust's SIMD abstractions have improved, but still require manual handling of unsafe code. A new approach uses CPU feature tokens to ensure safe usage of SIMD instructions without bespoke tracking.

The tilde in your PATH may not be your HOME

https://disconnect3d.pl/assets/posts/tilde-in-path.png
The nono agent sandboxing tool warned about a suspicious PATH entry, which was ~/.local/bin/ due to tilde expansion. The warning advised replacing ~ with $HOME in .bashrc/.zshrc/.profile files for security.

Show HN: Plimsoll, a self-hosted sandbox for code your AI agent writes

https://raw.githubusercontent.com/plimsollmark/plimsoll/main/docs/examples/oracle/hero.png
plimsoll runs untrusted code in sandboxes with isolation tiers, reporting results and ensuring security through tier checks. It allows AI agents to test code safely, with results signed and verified for integrity.

A Remote Employee Refused 160 Webcam Photos a Day. Her Employer Fired Her

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apsw: Another Python SQLite Wrapper

https://raw.githubusercontent.com/rogerbinns/apsw/master/doc/apswlogo.png
APSW is a Python library that enhances the SQLite database engine, providing additional features and improved developer experience. It's recommended to use APSW for full SQLite functionality, especially when using async frameworks or requiring advanced features like full text search.

FlowCE: Calculus on your TI-84 Plus CE

https://tommyb3ll.github.io/FlowCE/media/screenshots/sec.png
FlowCE is a free and open-source computer algebra system for TI-84 Plus CE and TI-83 Premium CE calculators, compatible with GNU GPL. It can perform various math operations, including derivatives, integrals, limits, series, power series, Taylor series and differential equations.

Show HN: BetterWispr – Free, open-source dictation for Mac

https://betterwispr.com/assets/hero-statue.png
BetterWispr is a Mac app that transcribes speech into text, with customizable tone and style for various apps. It uses local models on the Mac, without cloud transcription or subscription requirements.

Show HN: BraiNOTES, handwritten notes on your lecture PDFs in a browser tab

https://raw.githubusercontent.com/swimmingbrain/brainotes/main/docs/screenshot.png
braiNOTES is an open-source browser app for handwritten notes, supporting PDFs and real-time collaboration. It uses IndexedDB for storage, canvas for ink, and pdf.js for rendering, with no server required.