Tuesday, September 17, 2013

[bxjktafb] Cube and tetrahedron

A tetrahedron neatly fits inside a cube in 3 dimensions.  What other dimensions does a coincidence like this occur?

What neat geometric implications does this cause in 3 dimensions?

1 comment :

D. Eppstein said...

The keyphrase you need to search for the answer to this one is "Hadamard matrix".