claudeVIDEO
Opus 5.5 builds a walkable O'Neill cylinder in the browser
The author asked Claude Opus 5.5 to build a physically accurate O'Neill space colony you can walk around in the browser, with towns of residents chatting about life inside, and asks astrophysicists to check the physics.
Brian Gruber
@gruberbuildsArchived 2026.09.30Originally posted 2026.09.30
Brian Gruber @gruberbuildsOriginally posted 2026.09.30
I asked Claude Opus 5.5 to build a physically accurate O'Neill cylinder you can walk around in your browser, with towns full of residents talking about life inside. I'm no physicist. Astrophysicists, does it check out? @neiltyson? 👇 Requested by @pa_mckay
x.com/gruberbuilds/status/2104994746175201710Archived 2026.09.30 10:26