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Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
142•theblazehen•2d ago•42 comments

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

https://openciv3.org/
668•klaussilveira•14h ago•202 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
949•xnx•19h ago•551 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
122•matheusalmeida•2d ago•33 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
53•videotopia•4d ago•2 comments

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

https://github.com/valdanylchuk/breezydemo
229•isitcontent•14h ago•25 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
16•kaonwarb•3d ago•19 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
28•jesperordrup•4h ago•16 comments

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

https://github.com/pydantic/monty
223•dmpetrov•14h ago•117 comments

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

https://vecti.com
330•vecti•16h ago•143 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
494•todsacerdoti•22h ago•243 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
381•ostacke•20h ago•95 comments

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

https://github.com/microsoft/litebox
359•aktau•20h ago•181 comments

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

https://eljojo.github.io/rememory/
288•eljojo•17h ago•169 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
412•lstoll•20h ago•278 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
19•bikenaga•3d ago•4 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
63•kmm•5d ago•6 comments

Dark Alley Mathematics

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

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
256•i5heu•17h ago•196 comments

Delimited Continuations vs. Lwt for Threads

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

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
44•helloplanets•4d ago•42 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
12•speckx•3d ago•5 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
59•gfortaine•12h ago•25 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...
33•gmays•9h ago•12 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/
1066•cdrnsf•23h ago•446 comments

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

https://infisical.com/blog/devops-to-solutions-engineering
150•vmatsiiako•19h ago•67 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
288•surprisetalk•3d ago•43 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
149•SerCe•10h ago•138 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
183•limoce•3d ago•98 comments

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

https://github.com/phreda4/r3
73•phreda4•13h ago•14 comments
Open in hackernews

Graphics In Flatland – 2D ray tracing [video]

https://www.youtube.com/watch?v=WYTOykSqf2Y
92•evakhoury•3w ago

Comments

jmward01•2w ago
"[download] Got error: HTTP Error 403: Forbidden. Retrying fragment 30 (3/10) ..." Looks like yt-dlp just got nerfed again. Google: We can download all your stuff but you can't download ours....
immibis•2w ago
Did you update yt-dlp?
jmward01•2w ago
yeah. Probably come back in a few days. I really only dl a few things a week (things I give patreon $ to but that don't have patreon links).
littlestymaar•2w ago
> Google: We can download all your stuff but you can't download ours....

“There must be in-groups whom the law protects but does not bind, alongside out-groups whom the law binds but does not protect.”

alhazrod•2w ago
Interesting quote! Turns out that it is from Frank Wilhoit[0] the composer, not Francis M. Wilhoit[1] the political scientist. How odd!

[0]: https://en.wikipedia.org/wiki/Frank_Wilhoit_(composer)

[1]: https://en.wikipedia.org/wiki/Francis_M._Wilhoit#Misattribut...

JoshTriplett•2w ago
Works fine here.
nemof•2w ago
yt-dlp works fine for me. make sure you've updated. they now list the js that is used for solving for youtube downloads as an external dependency, so you might need to install that too. look at yt-dlp github, look for yt-dlp-es
pengaru•2w ago
It's your IP address, you're leeching too much without using the prescribed player. After some time it'll start working again. I bet if you go to the web site it will ask you to log in to prove you're not a bot, if you're not logged in already.
albertgoeswoof•2w ago
Great video! This references the fantastic book Flatland, which helps explain dimensionality in really easy to understand way, and helped me get my head around what a 4th or n level dimension is (and why we it’s so unintuitive for us 3-dimensional beings)
whycome•2w ago
Is that book okay for a 10yo girl?
tylerritchie•2w ago
yes? it's got sexist and classist elements and satirizes victorian culture.

i'd encourage reading it ahead of gifting (and i'd encourage grabbing it from archive.org or something, since it's 141 years old) because not all 10 yearolds are going to receive it the same way

quietbritishjim•2w ago
She might find the film [1] more digestible. I enjoyed it a lot. But obviously if you're specifically after a book that doesn't help.

[1] https://www.flatlandmovie.com/

badosu•2w ago
Folks that like this, might find this interesting, an incredible resource for my then younger mathematical mind: https://www.dimensions-math.org/Dim_E.htm

An exploration of 3d via projections in 2d then 4d via projections in 3d.

yakattak•2w ago
I kind of thought this video was going to be about Flatland the book but it was even better. This is a fantastic and easily digestible explanation of ray tracing.