To win a game of pool, you have to know a bit of geometry — a surprising fact for a sport usually played after hours in a dim, smoke-filled bar. That wasn't enough math for Alex Bellos, however. Figuring that rectangles are for squares, he invented a pool table shaped like an ellipse. Corner pocket? Try left focus.
The Alluring Ellipse
You Can't Spell Loop Without Pool
Elliptical Pool Table
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Written By Curiosity Staff August 2, 2017
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