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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
234•theblazehen•2d ago•69 comments

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

https://openciv3.org/
695•klaussilveira•15h ago•206 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
7•AlexeyBrin•1h ago•0 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
962•xnx•21h ago•555 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
55•jesperordrup•5h ago•25 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
131•matheusalmeida•2d ago•35 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
67•videotopia•4d ago•6 comments

ga68, the GNU Algol 68 Compiler – FOSDEM 2026 [video]

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
12•matt_d•3d ago•2 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
37•kaonwarb•3d ago•28 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
35•speckx•3d ago•22 comments

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

https://github.com/valdanylchuk/breezydemo
236•isitcontent•15h ago•26 comments

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

https://github.com/pydantic/monty
233•dmpetrov•16h ago•126 comments

UK infants ill after drinking contaminated baby formula of Nestle and Danone

https://www.bbc.com/news/articles/c931rxnwn3lo
12•__natty__•3h ago•0 comments

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

https://vecti.com
335•vecti•17h ago•147 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
502•todsacerdoti•23h ago•246 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
386•ostacke•21h ago•97 comments

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

https://eljojo.github.io/rememory/
300•eljojo•18h ago•186 comments

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

https://github.com/microsoft/litebox
361•aktau•22h ago•185 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
426•lstoll•22h ago•283 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
68•kmm•5d ago•10 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
96•quibono•4d ago•22 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
21•bikenaga•3d ago•11 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
20•1vuio0pswjnm7•2h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
265•i5heu•18h ago•217 comments

Delimited Continuations vs. Lwt for Threads

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

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
64•gfortaine•13h ago•29 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/
1077•cdrnsf•1d ago•461 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...
39•gmays•10h ago•13 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
298•surprisetalk•3d ago•44 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
154•vmatsiiako•20h ago•72 comments
Open in hackernews

The SIM-to-real problem isn't about simulators – it's about behavior robustness

https://medium.com/@freefabian/introducing-the-concept-of-kinematic-fingerprints-8e9bb332cc85
24•fabotelli•2w ago

Comments

bethekidyouwant•2w ago
This reads like head-cannon
wyldfire•2w ago
Ka-boom!
cpgxiii•2w ago
It's both. Anything that you effectively have optimized to the details of its environment will end up dependent on that environment. If that environment is the real world, then it's fine. If that environment is a simulator, now you have sim-to-real problems.

There's always going to be a gap between reality and simulation, because simulation fidelity has an incredibly long tail. "Digital twins" are relatives, not identical replicas, because everything about capturing the real world for simulation involves simplification and discretization and abstraction.

AndrewKemendo•2w ago
That’s a pretty excellent article actually and I think does a good job describing how having over-specifications in your simulated model makes it brittle in the transfer.

I think something that was kind of overlooked was fine tuning post transfer so that you’re basically transferring a gross motor policy and then fine-tuning it with the PID feedback into a fine-grained motor policy