[kookybakker]

When you bring up the lower mass and let it go, it seems to push the upper mass away, which should never happen. This whole site smells off vibe coded jank.

[Evidlo]

I don't think that's fair. Also the project is 4 years old so the timeline doesn't really work out for being vibe-coded.

[probabletrain]

> This whole site smells off vibe coded jank.

A vibe-coded double pendulum sim should produce a much better result than the physics on this page. Claude Code made this just now off one prompt, the physics are much better: https://keir.is/swinging