Math's 'hairy ball theorem' shows why there's always at least one place on Earth where no wind blows
Here's what the hairiest problem in math can teach us about wind, antennas and nuclear fusion. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
Since about 1970, soccer balls have been stitched or glued together from 32 patches of material—12 of them five-sided and 20 of them six-sided. These patches are arranged so that each pentagon is ...
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