Sphere Eversion: Thurston's Corrugations

Recreating animations in • how to theoretically t...
Made with geometry nodes in Blender, using a slightly simplified version of mathIsART's port: github.com/etale-cohomology/e...
My notes: blog.wang-lu.com/2023/10/code...

[@Xisnot]

You cannot crease it or bend it sharply.

[@cozmogz37]

Remember, you cannot crease or bend it sharply.

[@vindi167]

im sure everyone's already watched outside in because it's just something that keeps appearing in recommended if you've seen it once.

[@NorthOfEarthAlex]

Ah yes, the Thurston's corrugations of sphere eversion. Yes I see. Thank you, UA-cam, for this very relevant recommendation.

[@realnerd9]

Remember, you cannot crease or bend it sharply.

[@Neoh53]

Well. It seems we need 2 person to explain how we cannot bend it sharply...

[@carealoo744]

Someone should make a movie about this stuff!

[@MrBrineplays_]

"A sphere can turn inside out, but a circle can't."

[@ysccl]

Is this it? Is this a sphere turning inside out?

[@egg5823]

THIS ISNT WHAT A BROTHER AND SISTER IS SUPPOSED TO DO

[@igorjosue8957]

i like how the sphere morphing sounds correlate to the ones in the "outside in" video

[@epictrollmanmoment]

No incest version

[@aepokkvulpex]

Okay but seeing the single slice made it so much more understandable

[@daaniyalriaz7535]

Now

[@andrewhooper7603]

Thurston, stop corrugating, it's dinner time.

[@Generic-Cat-Drawing]

This material can pass through itself.

[@heeho5495]

This feels like it would be an awesome attack/healing animation in some sort of RPG

[@Julian99769]

The only thing I thought of when I saw the Title was Outside In. The original version.

[@ryanchristophergregorio9026]

Its been a decade since i last watch thay video, but i can still hear thier arguments very clearly in my head

[@SC-RGX7]

That's not what brothers and sisters should do.