Who cares about topology? (Old version)
27:26
This open problem taught me what topology is
29:42
Why 4d geometry makes me sad
8:37
Intro to Topology - Turning a Mug Into a Doughnut
24:14
The Banach–Tarski Paradox
18:39
The Bizarre Shape Of The Universe
11:25
A visual guide to Bayesian thinking
19:37
Why this puzzle is impossible
16:03