Euclid's Big Problem
Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI.
TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc
CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw
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