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

https://openciv3.org/

451•klaussilveira•6h ago•109 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...

791•xnx•12h ago•481 comments

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

https://github.com/valdanylchuk/breezydemo

152•isitcontent•6h ago•15 comments

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

https://github.com/pydantic/monty

145•dmpetrov•7h ago•63 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

19•matheusalmeida•1d ago•0 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/

46•quibono•4d ago•4 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/

84•jnord•3d ago•8 comments

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

https://vecti.com

257•vecti•8h ago•120 comments

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

https://eljojo.github.io/rememory/

192•eljojo•9h ago•127 comments

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

https://github.com/microsoft/litebox

321•aktau•13h ago•155 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/

317•ostacke•12h ago•85 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/

403•todsacerdoti•14h ago•218 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/

328•lstoll•13h ago•237 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html

19•kmm•4d ago•1 comments

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

https://github.com/phreda4/r3

50•phreda4•6h ago•8 comments

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

https://infisical.com/blog/devops-to-solutions-engineering

110•vmatsiiako•11h ago•34 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/

189•i5heu•9h ago•132 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en

149•limoce•3d ago•79 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant

7•DesoPK•1h ago•3 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/

240•surprisetalk•3d ago•31 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/

985•cdrnsf•16h ago•417 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/

21•gfortaine•4h ago•2 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative

43•rescrv•14h ago•17 comments

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

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain

58•ray__•3h ago•14 comments

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

https://red.anthropic.com/2026/zero-days/

36•lebovic•1d ago•11 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...

5•gmays•1h ago•0 comments

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

https://docs.smooth.sh/cli/overview

77•antves•1d ago•57 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack

40•nwparker•1d ago•10 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...

20•MarlonPro•3d ago•4 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/

28•betamark•13h ago•23 comments

Open in hackernews

Fractal Imaginary Cubes

https://www.i.h.kyoto-u.ac.jp/users/tsuiki/icube/fractal/index-e.html

63•strstr•3mo ago

Comments

dmd•3mo ago

I have a 3D-printed Sierpinski Tetrahedron. It's lovely.

https://imgur.com/a/oZwCFLu

robinhouston•3mo ago

This page may be a bit confusing, out of context.

By ‘imaginary cube’, Hideki Tsuiki means a three-dimensional object that is not a cube, but which nevertheless has square projections in three orthogonal directions, just like a cube does. Examples include the cuboctahedron and the regular tetrahedron.

His previous work on non-fractal imaginary cubes is written up at https://www.mdpi.com/1999-4893/5/2/273

nomel•3mo ago

I assume this means the four images at the top are the same structures at different angles?

nom•3mo ago

Exactly.

CGMthrowaway•3mo ago

This has inspired me to imagine a fractal chandelier design, e.g made of cut glass

pmontra•3mo ago

Being able to see a shadow and learning that it has area zero made me think that there is something wrong with the definition of area.

mecsred•3mo ago

None of the shadows you can physically see in the photos have 0 area because the construction of the fractal isn't perfect. What a perfect construction would look like and if it's ever theoretically possible to make physical are complicated questions. Beyond me for sure, how would an infinitely thin object even interact with light?

I would assume the problem with the idea is in the fractal physics rather than the definition of area, which has been solidly useful for me.

graycat•3mo ago

Such a cube, i.e., a set, is closed, right? Sooo, there exists a function on the space that is 0 on the cube, strictly positive otherwise, and infinitely differentiable.