simnaut

@simnaut.io

software engineer of spacecraft simulations by day and derp projects by night rust, physics, distributed systems, graphics, linux, and atproto

Kimi K3's weights were released, making it the most powerful open weights model in the world. Been reading it since it came out, page one starts strong: mostly negatives, a late run of zeros, and one unexpectedly large positive value.

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My For You feed has turned in to everything I don’t want to see.. I wonder if there is a sign error in there

I’m happy to announce the release of a new open source 3D physics engine called Box3D. I’ve been working on this project for a few years now, but it represents over 20 years of experience writing physics engines for games. Read more here: box2d.org/posts/2026/0...

Announcing Box3D

I’m happy to announce the release of Box3D, an open source 3D physics engine. It is now available on GitHub. Box3D repository You can think of Box3D as a fork of Box2D, extended with many features nee...

box2d.org

A new Science study shows that bumble bees can position a ball underneath a fake “flower” to reach a reward, suggesting they can exhibit spontaneous problem-solving and challenging the notion that such advanced cognitive abilities are exclusive to large-brained vertebrates. https://scim.ag/4vs08dC

@postgame.at Heads up — can't log into postgame from a self-hosted PDS. Your oauth-client-metadata.json requests repo:…?action=read scopes, but "read" isn't a valid repo action (only create/update/delete). Strict PDSs reject the whole auth with invalid_scope. Dropping "read" fixes it 🙏

Goodness gracious why did I need to edit Bluesky's css to let me copy messages from my inbox. That was super annoying. Anyways insert: ```css * { user-select: text !important; -webkit-user-select: text !important; } ```

Interesting realization this week that because of AI, my technical skills are now worth less than my engineering vision and judgement

Sometimes agentic coding is like growing crystals. If you drop all the salt at once you get a mess of shapes. If you want a precise geometry, you need to move with skill and layer by layer.