Gauss's Arithmetic-Geometric mean
10:31
The Mysterious Koide Equation
47:45
the golden ratio
28:33
Terence Tao on how we measure the cosmos | Distance ladder part 1
9:10
integrate sqrt(1-cos^2x) from 0 to 2pi
2:22:00
The Constants of Nature
1:46:06
A constructible universe
14:03
The 7 Levels of Math Symbols
1:37:35