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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
399•klaussilveira•5h ago•90 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
755•xnx•10h ago•462 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
133•isitcontent•5h ago•14 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
123•dmpetrov•5h ago•53 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
20•SerCe•1h ago•15 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
33•quibono•4d ago•2 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
235•vecti•7h ago•114 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
60•jnord•3d ago•3 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
302•aktau•11h ago•152 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
305•ostacke•11h ago•82 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
162•eljojo•8h ago•123 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
381•todsacerdoti•13h ago•215 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
310•lstoll•11h ago•230 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
45•phreda4•4h ago•7 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
103•vmatsiiako•10h ago•34 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
173•i5heu•8h ago•128 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
139•limoce•3d ago•76 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
225•surprisetalk•3d ago•30 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
963•cdrnsf•14h ago•413 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
10•gfortaine•3h ago•0 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
37•rescrv•13h ago•17 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
7•kmm•4d ago•0 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
33•lebovic•1d ago•11 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
76•antves•1d ago•56 comments

The Oklahoma Architect Who Turned Kitsch into Art

https://www.bloomberg.com/news/features/2026-01-31/oklahoma-architect-bruce-goff-s-wild-home-desi...
17•MarlonPro•3d ago•2 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
31•ray__•2h ago•7 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
38•nwparker•1d ago•8 comments

Claude Composer

https://www.josh.ing/blog/claude-composer
98•coloneltcb•2d ago•68 comments

Evolution of car door handles over the decades

https://newatlas.com/automotive/evolution-car-door-handle/
38•andsoitis•3d ago•61 comments

Planetary Roller Screws

https://www.humanityslastmachine.com/#planetary-roller-screws
34•everlier•3d ago•6 comments
Open in hackernews

Adventures in State Space [video]

https://www.youtube.com/watch?v=YGLNyHd2w10
81•bo0tzz•5mo ago

Comments

Rendello•5mo ago
I just went to submit this myself. It's one of the most enjoyable math explainers I've seen in a while, I love exploring these multidimensional graphs that describe so much about everyday life.
ntqz•5mo ago
Thank you. Now I have loads more videos to watch. "Mandelbrot's Evil Twin" is kind of crazy trying to visualize a 6-dimensional space in my head.
gala8y•5mo ago
Thanks for posting. So much knowledge and skill required to create such a video.
random3•5mo ago
I love the presentation/teaching concept for the SS. However, the wiggly, bouncy animation is an unnecessary distraction.
juancn•5mo ago
I think it's a side effect of the graph layout algorithm.

It seems all nodes repel and edges are elastic, so the layout algorithm is kind of like a physical simulation (think magnetic monopoles and rubber bands).

He seems to throw new nodes near the originating node, and lets the simulation stabilize.

random3•5mo ago
Yeah, I get that, but if I want to see the difference in configurations, I can't because they keep bouncing and that's not even a property of the SS.
mitthrowaway2•5mo ago
Speaking for myself, it helps to direct my visual attention to the changes happening in the graph as they are introduced. I find it helpful.
abetusk•5mo ago
Aside from nice animations and pleasing graphs, does this provide any intuition or insight?
mitthrowaway2•5mo ago
Beautiful visualization and presentation of this topic. It's not mentioned in the video, but the base mathematical puzzle shown is the classic traffic puzzle game "Rush hour".
BenoitP•5mo ago
A bit late to the discussion, but this has deep connections. As a programmer, your job is provide business invariants using complexity management techniques. And checking that your state space is small is a tool with gigantic payoff.

Maintaining a small state space it why we want to let it crash. Each program instruction can potentially multiply the number of states possible. Erlang even has this whole "Let It Crash" philosophy as a guideline [1].

Maintaining a small state space is how you tame concurrent programs, where adding one thread can cartesian-product your state space. But there are tools like TLA+ which can help you build proofs over this state space. And build invariants that your threads can use safely. Hre is a visualizer of that state space [2]. Notice any resemblance to the graphs you just saw in the video?

Programming sometimes feel like this "Rush Hour" puzzle.

[1] https://wiki.c2.com/?LetItCrash [2] https://prob.hhu.de/w/index.php?title=State_space_visualizat...