Today I Learned (TIL)

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TIL the Hairy Ball theorem (wikipedia.org)

submitted 4 days ago* (last edited 3 days ago) by vatlark@lemmy.world to c/til@lemmy.ca

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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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[–] FooBarrington@lemmy.world 9 points 3 days ago

Responsive design usually doesn't require detecting anything about the client. There's probably some differences in actual HTML markup between mobile/non-mobile Wikipedia, but I'd be surprised if it has to be that way. Media queries have been available for a long, long time.