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SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
85•valyala•4h ago•16 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
23•gnufx•2h ago•14 comments

The F Word

http://muratbuffalo.blogspot.com/2026/02/friction.html
35•zdw•3d ago•4 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
89•mellosouls•6h ago•166 comments

I write games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
131•valyala•4h ago•99 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
47•surprisetalk•3h ago•52 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
143•AlexeyBrin•9h ago•26 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
96•vinhnx•7h ago•13 comments

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

https://openciv3.org/
850•klaussilveira•23h ago•256 comments

First Proof

https://arxiv.org/abs/2602.05192
66•samasblack•6h ago•51 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
1092•xnx•1d ago•618 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
64•thelok•5h ago•9 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
4•mbitsnbites•3d ago•0 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
232•jesperordrup•14h ago•80 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
516•theblazehen•3d ago•191 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
93•onurkanbkrc•8h ago•5 comments

Selection Rather Than Prediction

https://voratiq.com/blog/selection-rather-than-prediction/
13•languid-photic•3d ago•4 comments

We mourn our craft

https://nolanlawson.com/2026/02/07/we-mourn-our-craft/
333•ColinWright•3h ago•400 comments

Coding agents have replaced every framework I used

https://blog.alaindichiappari.dev/p/software-engineering-is-back
254•alainrk•8h ago•412 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
182•1vuio0pswjnm7•10h ago•251 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
611•nar001•8h ago•269 comments

72M Points of Interest

https://tech.marksblogg.com/overture-places-pois.html
35•marklit•5d ago•6 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
27•momciloo•4h ago•5 comments

A Fresh Look at IBM 3270 Information Display System

https://www.rs-online.com/designspark/a-fresh-look-at-ibm-3270-information-display-system
47•rbanffy•4d ago•9 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
124•videotopia•4d ago•39 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
96•speckx•4d ago•108 comments

History and Timeline of the Proco Rat Pedal (2021)

https://web.archive.org/web/20211030011207/https://thejhsshow.com/articles/history-and-timeline-o...
20•brudgers•5d ago•5 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
211•limoce•4d ago•117 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
32•sandGorgon•2d ago•15 comments

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

https://github.com/valdanylchuk/breezydemo
287•isitcontent•1d ago•38 comments
Open in hackernews

ZOZO's Contact Solver for physics-based simulations

https://github.com/st-tech/ppf-contact-solver
80•vintagedave•3mo ago

Comments

jayd16•3mo ago
This seems to be the relevant Two Minute Papers with a very quick explainer.

https://m.youtube.com/watch?v=VOORiyip4_c

embedding-shape•3mo ago
Was Two Minute Papers always so sensationalistic or is that a recent change? I remember seeing the videos many many years ago, and don't recall him being so overly enthusiastic and borderline sensationalistic, like this video seems to be.

Even the title of the video is straight up clickbait ("The Worst Bug In Games Is Now Gone Forever") since the context is all wrong, the metrics on the top left even shows "time/frame: 3.38 min", how could that be useful for games? The problem with physics in games is in real-time simulations, not in cached/animated "physics".

Don't get me wrong, the simulations are impressive, and hopefully will have a big impact on simulation stability for real-time and not, I was just taken aback by the video.

makach•3mo ago
hey, what a time to be alive
zokier•3mo ago
He has been like that for couple of years at least. I guess it wins clicks in the youtube slot-machine. But I can't stand him either, despite being exact target audience for his videos.
MintPaw•3mo ago
I used to watch his videos early on, but it's been like this for a few years at least.
embedding-shape•3mo ago
Same here, that's why I was kind of surprised. Shame what YouTube forces creators to degrade into, I remember it being super nice being able to see a video about a new SIGGRAPH paper before diving into the details, but these new videos (well, "new" if what you say is true about it being years) I can barely stand because of the change...
littlestymaar•3mo ago
FYI you're responding to a 3-days-old account with way too many comments in such a short time frame to be legit. It's most likely a bot.
embedding-shape•3mo ago
Lol, thanks I guess, but I'm just bored and have lots of free time :)

Also, based on my first message in this submission, how on earth (like exactly) would an LLM or something else be able to leave a comment like that? Do spambots on the internet have entire backstories now or what?

GuB-42•3mo ago
It has always been his style, you can check for yourself by watching some of his early videos. Over the years, he has refined it and fully committed to it.

I usually don't like too much sensationalism, but he gets a pass. That's just his style and I think he does it well without compromising on the information content. He acknowledges that the technique is slow by the way, but that's late in the video.

But I agree that the title is poorly chosen in this case and I think it would be more appropriate for the previous video about a similar paper [1] where the simulation is less accurate, but runs in real-time. It is as if the titles were swapped.

[1] https://www.youtube.com/watch?v=7NF3CdXkm68

Edit: And of course, it is entertainment, what did you expect of a YouTube channel covering state-of-the-art research in less than 10 minutes! If you want to get serious, read the actual paper. Short(ish) YouTube videos is simply not the right format for serious work, sensationalism or not.

jayd16•3mo ago
Yeah, love it or hate it, I do think they thread the needle between genuine excitement and overhyping.

The titles and thumbnails are getting clickbaity though.

zokier•3mo ago
> Short(ish) YouTube videos is simply not the right format for serious work, sensationalism or not.

I disagree. For example SIGGRAPH presentation videos manage to be short, informative, and largely non-sensationalist. You can see some of them in this playlist: https://www.youtube.com/playlist?list=PL1PdIP1lGMJJzRFjlDajK...

StiffGIPC presentation makes good contrast here: https://www.youtube.com/watch?v=3TBoTX2vag4

andai•3mo ago
His catchphrase is literally "What a time to be alive!"
Llamamoe•3mo ago
> Was Two Minute Papers always so sensationalistic or is that a recent change?

Before his channel exploded in popularity, it was similar but much more genuine and less formulaic and extreme. At some point he started to just sound like the LLM output conditioned on his earlier videos with fake excitement forced into every single sentence and I unsubscribed.

It's a shame because the papers he covers are fascinating but I can't stand his fakeness and pretend-excitement anymore. I also miss when he included more explanations of the algorithms and less throwbacks to previous videos.

ivanjermakov•3mo ago
Not realtime, seconds-minutes per frame.
totallymike•3mo ago
Is your comment here to refute a claim you saw somewhere, or to simply point this out? I wouldn’t expect this to be real-time, given the complexity, nor do I believe it needs to be in order to be useful.
erwincoumans•3mo ago
It is good to point it out it is for offline simulations. There is some related recent work, Offset Geometric Contact that is suitable for interactive use: https://ankachan.github.io/Projects/OGC/index.html
embedding-shape•3mo ago
Also assumed by default we were talking about real-time, but then I saw Python/juPyter and a rendered videos, got a bit confused, then came across "46.4s/frame" for one of the examples and finally registered it wasn't about real-time.

I agree it doesn't have to be real-time to be valid, I think my mindset just goes to physics in video games which are usually real-time when I see contact solvers or most other things related to simulations.

fnord77•3mo ago
Contributors:

claude 19 commits, +21,000 lines

moritonal•3mo ago
That's quite a bad faith take when you'd have seen claude is used at the very end after 10 months of another author's work with +62,847 lines.
SecretDreams•3mo ago
Contact is a hard problem to solve and there's some tangential softwares that do it well within the FEA space. I'd be curious to know how this does with materials/geometries of vastly different stiffnessess and if it produces realistic reaction/contact forces (one cheap way to manage contact is to jack up the contact stiffness, which will prevent penetration, but drive some unrealistic forces at those interfaces).
suioir•3mo ago
What value do all the emojis provide?
Y_Y•3mo ago
They made me stop reading halfway through.

It didn't help that they make meaningless claims like

> Physically Accurate: Our deformable solver is driven by the Finite Element Method.

I don't know or care if they used an LLM to write that readme, but it's hot garbage. A pity because it seems like a decent sim otherwise.

cutlilacs•3mo ago
What's wrong with that statement? FEM is a good way to handle deformables, but it isn't the only way, so it a fine statement.
Y_Y•3mo ago
It's used as a claim of physical accuracy, but it's not related to that.
cutlilacs•3mo ago
Sorry if I'm misunderstanding, but isn't FEM used in physics engines because it is an good approximation for the underlying physics? For example, I believe the Drake Physics engine uses FEM to model deformable materials relating to vehicle crashes at Toyota
Y_Y•3mo ago
FEM is just a numerical technique for solving some kinds of differential equations. It doesn't aitomatically make you accurate or not, just like any other stable solver.
twright•3mo ago
joy.
zparky•3mo ago
yeah its pretty funny, i wonder if they prompted the llm to put as many emojis in as possible:

<edit> forgot hn doesnt show emojis, so ill just link to the paragraph: https://github.com/st-tech/ppf-contact-solver?tab=readme-ov-...

8 emojis in 2 sentences, lol

ordu•3mo ago
I'm still wondering how people find emojis to insert into their texts. Do they scan the list of emojis to find something suitable for each place in the text? Or maybe they memorized a lot of emojis, they know they exist and it is sort of automatic: you write text and the idea pops up to insert an emoji that I discovered some time ago?

I hope that it is closer to the latter, because I'd kill myself if I was forced to look for emojis so much. From other hand to memorize dozens (hundreds?) of different emojis doesn't seem fun either.

hadlock•3mo ago
I think you may be in the vast minority here. People born after 1990 grew up using emoji and most keyboards show your top ~25 most used emojis, floated to the top, and keyboards offer search function, this was a largely solved problem by 2014, over a decade ago.
Llamamoe•3mo ago
Nobody is writing papers or webpages on mobile virtual keyboards (I hope).
ordu•3mo ago
Ah. I see. I replace the virtual keyboad on Android with something else instantly, to get rid of autocorrect and other anti-features. Probably doing that I lose my chance to appreciate the ways of people born after 1990.
xg15•3mo ago
I kind of assumed the text was created or at least edited by AI, so the emojis were added automatically.
zokier•3mo ago
If I'm understanding correctly, the same approach was implemented also in IPC Toolkit here: https://github.com/ipc-sim/ipc-toolkit/pull/148
adammarples•3mo ago
I can't quite figure out how to install and use this. Perhaps it would be useful if I could install it as a python package, by providing a pyproject.toml or something? I ran warmup.py which is creating venvs for me and doing all kinds of things I don't really want, but when activating the environment it still failed on 'from frontend import App', which seems to be commonly used in your examples.
DarmokJalad1701•3mo ago
Holy emoji batman!

Shirt shells? Tree stump solids? Knot rods?

I have no idea what any of those mean.

rossant•3mo ago
The LLM knows.
stronglikedan•3mo ago
Fun fact: In Haiti, "zozo" is a slang term for male genitalia.
avidiax•3mo ago
For those that don't know, ZOZO is a tech-forward clothing designer/retailer.

Several years back, they sent me a special spandex shirt/leggings combo, black with spaced white dots. Then you use their app to take many photos of yourself, and they have a profile of your body to be used for automatic fitting.

The shirt they eventually sent did fit well, but wasn't anything special several years ago.

This shows that they are still at it, and as someone that hates shopping for clothing, I hope this is a sign that the dream of a custom tailored fit at a mass production price is getting nearer.

ris•3mo ago
If they ever get liquidated I wonder who's going to end up with that massive dataset of photos of people looking like a tit.

Or perhaps they'll pivot..

rurban•3mo ago
Contributor: Claude Code ;)

Finally listed as independent author