The Light Switch Problem - Numberphile
16:40
A Surprising Pi and 5 - Numberphile
24:46
Why π is in the normal distribution (beyond integral tricks)
2:54
Algebruary Day 4
13:01
A whole lot of fuss about nothing?
41:44
Numberphile v. Math: the truth about 1+2+3+...=-1/12
14:51
The Brick Factory Problem - Numberphile
21:29
What if you just keep zooming in?
30:15