14:52

The Hidden Story Behind Maxwell’s Equations

11:14

The Man Who Solved the World’s Most Famous Math Problem

13:05

Solution to Problem 215 - Nuclear Energy

18:25

The SAT Question Everyone Got Wrong

23:58

Video Lecture: EM Waves

13:55

Imaginary numbers aren't imaginary

1:01:26

For the Love of Physics - Walter Lewin - May 16, 2011

12:39

these are the only perfect squares