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

https://openciv3.org/
632•klaussilveira•13h ago•187 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
20•theblazehen•2d ago•2 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
930•xnx•18h ago•548 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
34•helloplanets•4d ago•26 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
110•matheusalmeida•1d ago•28 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
43•videotopia•4d ago•1 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
10•kaonwarb•3d ago•10 comments

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

https://github.com/valdanylchuk/breezydemo
222•isitcontent•13h ago•25 comments

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

https://github.com/pydantic/monty
213•dmpetrov•13h ago•103 comments

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

https://vecti.com
323•vecti•15h ago•142 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
372•ostacke•19h ago•94 comments

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

https://github.com/microsoft/litebox
359•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
478•todsacerdoti•21h ago•234 comments

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

https://eljojo.github.io/rememory/
275•eljojo•15h ago•164 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
404•lstoll•19h ago•273 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
85•quibono•4d ago•21 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
16•jesperordrup•3h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
245•i5heu•16h ago•189 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
13•bikenaga•3d ago•2 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
54•gfortaine•10h ago•22 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
141•vmatsiiako•18h ago•64 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
281•surprisetalk•3d ago•37 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/
1060•cdrnsf•22h ago•436 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
133•SerCe•9h ago•119 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
177•limoce•3d ago•96 comments

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

https://github.com/phreda4/r3
70•phreda4•12h ago•14 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•8h ago•11 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•23 comments
Open in hackernews

Algorithms for making interesting organic simulations

https://bleuje.com/physarum-explanation/
139•todsacerdoti•6mo ago

Comments

alhirzel•6mo ago
Reminds me of Electric Sheep

https://electricsheep.org/

smusamashah•6mo ago
The 36 Points linked in the article is very fascinating https://www.sagejenson.com/36points/#22_transmission_tower

Press numbers and letters on this page to switch to one of the variations.

ethan_smith•6mo ago
The 36 Points is part of Sage Jenson's visualization of Jeff Jones' "Artificial Nature" research, which pioneered many of these reaction-diffusion and agent-based models for simulating emergent biological phenomena.
jasonjmcghee•6mo ago
Absolutely beautiful visualizations.

These are way beyond anything I've done, but you can actually do these with compute shaders in real time and they look quite good.

I played with using Godot to do this kind of slime simulation (inspired by Sebastian Lague) when they released compute shaders: https://github.com/jasonjmcghee/compute-shaders?tab=readme-o....

Edit:

Here's a good webgpu demo (not by me) of this kind of simulation https://shridhar2602.github.io/WebGPU-Slime-Simulation/

romulobribeiro•6mo ago
This is something that Daniel Shiffman from coding train would consider for the coding challenges
johannes_ne•6mo ago
The same author has a great series of tutorials for making looping animations, where the animation appears longer than the length of the loop. It also introduces Perlin noise, which I've found quite useful in a few unrelated projects.

https://bleuje.com/tutorials/

Here is an example of a 10-minute movie in a 6.3-second looping GIF. https://bsky.app/profile/johsenevoldsen.bsky.social/post/3lm...

FacelessJim•6mo ago
I did something very similar some years ago while learning metal [1], I recall them being called "boids". I spent days just playing with the various parameters, luckily my implementation was not as pretty as the one offered in the OP, otherwise I would have lost weeks instead.

[1] https://github.com/ghyatzo/metalplay?tab=readme-ov-file

_0ffh•6mo ago
The original boids, or "bird-oid objects", was an algorithm and program to simulate emergent flocking behaviour from simple rules in birds. It has spawned a kind of genre, or at least a multitude of copies/derivatives, often collectively referred to as "boids".
stirfish•6mo ago
I've been vibe coding boids implementations because my toddler likes to look at them. Here's one where the attributes of the boids (alignment, etc) are hooked up to frequency generators like a sequencer: https://neuroky.me/boidsine.html?boidCount=1700&hue=sine3&se...

I can move them to GitHub or something, but they are currently hosted in my pantry. Please be gentle :)

Ono-Sendai•6mo ago
Very nice. It seems some of the algorithms are (inadvertently?) solving the shallow water equations. Looks similar to the results I was getting working on https://github.com/Ono-Sendai/terraingen
mif•6mo ago
Reminds me of the Gray-Scott explorer [0], implemented with WebGL (in 2012!!).

Mathematics is beautiful!

[0] https://www.mrob.com/pub/comp/xmorphia/ogl/index.html