[math-fun] Fwd: this lifted my spirits: hexaflexasafety
3 May
2020
3 May
'20
12:14 p.m.
from the inimitable Vi Hart: https://www.youtube.com/watch?v=AmN0YyaTD60 <https://www.youtube.com/watch?v=AmN0YyaTD60> - Cris
2029
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2029
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Cris Moore