Hairy Ball Theorem - Combing a Coconut
Channel: Mostly Mental
Date: 10/10/2021

The Hairy Ball Theorem says that a vector field on a sphere has a vector sticking straight out.

Full paper: https://web.cs.elte.hu/~karatson/hairy-ball.pdf

Sections
0:00 Problem statement
1:15 Plan of attack
2:19 Tightening constraints
3:33 Correspondence with larger sphere
5:12 Comparing volumes
7:15 Generalization