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“The hairy ball theorem of algebraic topology

posted by Jason Kottke   Aug 05, 2005

The hairy ball theorem of algebraic topology states that, in layman’s terms, ‘one cannot comb the hair on a ball in a smooth manner’”. Heh. Looks like Wikipedia has some new measures in placeto deal with spam/trolls: “This page has been protected from editing to deal with vandalism.”

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