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https://en.wikipedia.org/wiki/Koosh_ball https://en.wikipedia.org/wiki/Koosh_ball
by cainxinth 3y ago
https://en.wikipedia.org/wiki/Koosh_ball https://en.wikipedia.org/wiki/Koosh_ball
- marginalia_nu 3y agohttps://en.wikipedia.org/wiki/Hairy_ball_theorem https://en.wikipedia.org/wiki/Hairy_ball_theorem