Why did we forget this simple visual solution? (Lill's method)
38:33
Pythagoras twisted squares: Why did they not teach you any of this in school?
47:10
Why don't they teach Newton's calculus of 'What comes next?'
38:28
A Miraculous Proof (Ptolemy's Theorem) - Numberphile
18:09
Visualising irrationality with triangular squares
17:08
Why is pi here? And why is it squared? A geometric answer to the Basel problem
51:49
The ARCTIC CIRCLE THEOREM or Why do physicists play dominoes?
45:04
Why There's 'No' Quintic Formula (proof without Galois theory)
24:48