why there is no four dimensional cross product.
31:10
the geometry of the third derivative
32:21
Defense against the "dark art" of mathematics.
29:17
the only real cross product is 3 dimensional
51:16
Why can't you multiply vectors?
17:04
This equation blew my mind // Euler Product Formula
14:35
the famous Calculus proof of the Pythagorean theorem.
36:51
Why are there no 3 dimensional "complex numbers"?
10:59