Making sense of irrational numbers - Ganesh Pai
4:39
How the Königsberg bridge problem changed mathematics - Dan Van der Vieren
23:20
Pi is IRRATIONAL: animation of a gorgeous proof
5:17
How many ways are there to prove the Pythagorean theorem? - Betty Fei
6:00
The Infinite Hotel Paradox - Jeff Dekofsky
17:22
A Proof That The Square Root of Two Is Irrational
5:47
Imaginary Numbers Are Real [Part 1: Introduction]
4:30
Where do math symbols come from? - John David Walters
21:19