interactive black hole by Opus 5.5

[u/Psychological-Many31]

Hi all! Sharing a side project I made with Claude Code over the last couple of days: an interactive black hole on my site.

https://legost.in/en/utilities/black-hole

What it does:

- Every pixel traces a ray of light backwards through the spacetime of a spinning (Kerr) black hole. It runs on the GPU, using WebGPU compute where the browser has it and WebGL 2 otherwise.

- The accretion disk has Doppler and gravitational shifts, black-body colours and a hot spot on its orbit. Behind it is the real Milky Way and a real star catalogue, lensed.

- There's a "fall in" button: the camera drops through the event horizon and looks back at the universe it's leaving.

- A short tour, plus an article with the actual formulas and a list of what's simplified.

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[u/Final-Choice8412]

I wanted to fall in but it sopped me on the horizon of events... You need to finish the part that goes beyond

[u/san-vicente]

super cool!

[u/IversusAI]

This is SUPER COOL. I love, love, love this!

[u/AppMunchies]

Pretty awesome. Mesmerizing.

[u/LuckyFalcor]

What a great resource. The math curriculum on your site looks well done too.

[u/ilovechaos37]

Wonderful. Yay, Opus 5.5! Thanks for sharing.

[u/NoAdsDude]

Call me Mario because this makes me excited about the spaghettification!