How Many Ways Can You Fold a Map?
16:17
Solving the "Lights Out" Problem
13:12
What do LEGO bricks and celestial bodies have in common?
26:51
New divisibility rule! (30,000 of them)
22:23
The Most Important Material Ever Made
19:00
Creating a LEGO-compatible brick that doesn't exist
29:42
Why 4d geometry makes me sad
25:06
What is the i really doing in Schrödinger's equation?
11:51