Pentaborane(9)(en.wikipedia.org)
40 points by rbanffy | 26 comments
First screen, captured .
Looks similar
Iceland Spar(en.wikipedia.org)
19 points by Thevet | 2 comments
Pyrophone(en.wikipedia.org)
71 points by drdee | 13 comments
Archimedes Palimpsest(en.wikipedia.org)
80 points by YeGoblynQueenne | 8 comments
Halton Sequence(en.wikipedia.org)
37 points by ibobev | 6 comments
Flexagon(en.wikipedia.org)
156 points by jerbear4328 | 34 comments