"Polychorons" are 4D versions of polyhedrons (P. Nylander). Source: https://t.co/V7oJSpU6Zp pic.twitter.com/bdhcSDatXY
— Cliff Pickover (@pickover) February 17, 2018
from Twitter https://twitter.com/GuideCalculator
February 18, 2018 at 01:14AM
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