Why was this visual proof missed for 400 years? (Fermat's two square theorem)
![](https://i.ytimg.com/vi/rGlpyFHfMgI/mqdefault.jpg)
25:39
The Moessner Miracle. Why wasn't this discovered for over 2000 years?
![](https://i.ytimg.com/vi/iJ8pnCO0nTY/mqdefault.jpg)
53:33
The hardest "What comes next?" (Euler's pentagonal formula)
![](https://i.ytimg.com/vi/qiNcEguuFSA/mqdefault.jpg)
9:31
Fermat's Last Theorem - Numberphile
![](https://i.ytimg.com/vi/sDfzCIWpS7Q/mqdefault.jpg)
30:56
What does this prove? Some of the most gorgeous visual "shrink" proofs ever invented
![](https://i.ytimg.com/vi/EDsK-8SBx-g/mqdefault.jpg)
43:12
Frank Calegari: 30 years of modularity: number theory since the proof of Fermat's Last Theorem
![](https://i.ytimg.com/vi/ypxKzWi-Bwg/mqdefault.jpg)
27:29
Powell’s Pi Paradox: the genius 14th century Indian solution
![](https://i.ytimg.com/vi/WyoH_vgiqXM/mqdefault.jpg)
36:32
La DEMOSTRACIÓN: e y pi son trascendentales
![](https://i.ytimg.com/vi/4AuV93LOPcE/mqdefault.jpg)
47:10