About 59 results for "UCOGeU-1Fig3rrDjhm9Zs_wg"

How To Make a Hexaflexagon: The Definitive Guide

Vihart • Jul 20, 2018

Hexaflexaflakes

Vihart • Jun 29, 2018

Hexaflexagons

Vihart • Jul 20, 2013

Flex Mex

Vihart • Jul 15, 2013

What was up with Pythagoras?

Vihart • Jul 13, 2012

Wau: The Most Amazing, Ancient, and Singular Number

Vihart • Jul 7, 2012

Pi Is (still) Wrong.

Vihart • Jul 8, 2011