The hair on your head doesn't all grow in the same direction — most of us have a cowlick or two. The same goes for wind on Earth. In fact, there's a bizarrely named theorem that says it's impossible for wind (or hair!) to all move in the same direction on a sphere like the Earth. It's called the hairy ball theorem.
You Spin Me Right Round
Written by Ashley Hamer November 29, 2017
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