By Leila Sloman
October 17, 2022
Fourteen years ago, the mathematicians Dusa McDuff and Felix Schlenk stumbled upon a hidden geometric garden that is only now beginning to flower. The pair were interested in a certain kind of oblong shape, one that could be squeezed and folded up in very particular ways and stuffed inside a ball. They wondered: For a certain shape, how big does the ball need to be?