Today I Learned (TIL)

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TIL the Hairy Ball theorem (wikipedia.org)

submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

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The theorem has been expressed colloquially as "you can't comb a hairy ball flat without creating a cowlick" or "you can't comb the hair on a coconut".

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[–] [email protected] 4 points 1 month ago (1 children)

Why does Wikipedia do this?

[–] [email protected] 11 points 1 month ago (1 children)

Whoever posted the link was on mobile at the time and didn't feel like deleting the m. after copy pasting.

[–] [email protected] 9 points 1 month ago

Yeah ik. Just confused why Wikipedia itself does it