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

https://openciv3.org/
478•klaussilveira•7h ago•117 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
817•xnx•12h ago•489 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
36•matheusalmeida•1d ago•2 comments

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

https://github.com/valdanylchuk/breezydemo
158•isitcontent•7h ago•17 comments

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

https://github.com/pydantic/monty
156•dmpetrov•7h ago•69 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/
95•jnord•3d ago•13 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
52•quibono•4d ago•7 comments

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

https://vecti.com
262•vecti•9h ago•125 comments

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

https://eljojo.github.io/rememory/
210•eljojo•10h ago•135 comments

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

https://github.com/microsoft/litebox
330•aktau•13h ago•158 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
328•ostacke•13h ago•86 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
413•todsacerdoti•15h ago•220 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
26•kmm•4d ago•1 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
5•romes•4d ago•1 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
340•lstoll•13h ago•243 comments

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

https://github.com/phreda4/r3
53•phreda4•6h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
199•i5heu•10h ago•147 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
116•vmatsiiako•12h ago•38 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
152•limoce•3d ago•79 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
246•surprisetalk•3d ago•32 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/
1002•cdrnsf•16h ago•421 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
26•gfortaine•5h ago•3 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
47•rescrv•15h 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
71•ray__•4h ago•34 comments

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

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

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

https://docs.smooth.sh/cli/overview
78•antves•1d ago•59 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
32•betamark•14h ago•28 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
41•nwparker•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...
8•gmays•2h ago•2 comments

Claude Opus 4.6

https://www.anthropic.com/news/claude-opus-4-6
2275•HellsMaddy•1d ago•981 comments
Open in hackernews

An Electrical Engineering View of a Mechanical Watch (2003) [video]

https://techtv.mit.edu/videos/15895-an-electrical-engineering-view-of-a-mechanical-watch
71•o4c•4mo ago

Comments

Animats•3mo ago
Wrong TLS cert.
CamperBob2•3mo ago
I don't know about you, but boy, do I feel secure.
Animats•3mo ago
Valid link: https://videolectures.net/videos/mitworld_sussman_clock
CamperBob2•3mo ago
Also available at https://youtu.be/TWQN8Yf1g70
HPsquared•3mo ago
I remember watching MIT lectures in OpenCourseWare back in 2007, before I started at university. What an amazing resource it was at the time.
kylecazar•3mo ago
I did the same thing, at the same time! I'm pretty self-directed when it comes to learning, so access to the raw materials of a course was great and sufficient. Never missed interactivity. I tried Coursera years later, it was much more like enrolling in a real class virtually.

But yeah, great to see OCW still going strong. It's pretty remarkable no administrator has tried to mess with it -- although I wouldn't know if they had.

fsckboy•3mo ago
>no administrator has tried to mess with it

they did censor (i.e. delete) physics professor walter lewin's popular physics videos because at some very advanced age he was still making known his interest in coeds (or something like that) and, rather than celebrate his robust health and appetites, they decided to unperson him.

IAmBroom•3mo ago
"Robust health and apetites" is an interesting euphemism for creep.
CamperBob2•3mo ago
Whatever. The world is a slightly worse place because those lectures were pulled offline... and the world is a much worse place because of the entirely-predictable overreaction to such actions.
HPsquared•3mo ago
Creep or not, the lectures were great. I hope they're at least available somewhere. Edit: ah someone put them on YouTube
jcgrillo•3mo ago
What a beautiful lecture
Terr_•3mo ago
For anyone with a sudden hankering for "what does that mechanical bit do", an interactive exhibit:

https://ciechanow.ski/mechanical-watch/

NoPicklez•3mo ago
Such a great website for his other illustrations as well
dekhn•3mo ago
I really enjoy this channel: https://www.youtube.com/@WristwatchRevival He takes watches that need repair, disassembles them to basic components, washes them, and then reassembles and tunes them, replacing any parts that have broken (often the mainspring).

It doesn't have the explanations or the math, but the cameras are high quality and you can really see just how jiggly the balance wheel and spring are, and how the watch will just "spring to life" when you install those bits.

burnto•3mo ago
Sussman is a treasure. I love how deep he goes into topics.
efortis•3mo ago
If you liked that video you'll like this one too, which explains that mechanical and electrical parallel but in the other direction.

Prof. Malcolm C. Smith had an electrical circuit and made its mechanical equivalent. His invention (the inerter) gave the F1's McLaren team an advantage in 2007.

https://www.youtube.com/watch?v=FhmLb2DhNYM