Hexagon, meet parabola.
![](https://i.ytimg.com/vi/uMtHJ67OUxM/mqdefault.jpg)
24:16
Maximize the area of one ellipse!
![](https://i.ytimg.com/vi/0-lwX4EiET0/mqdefault.jpg)
16:14
Find the last two digits!
![](https://i.ytimg.com/vi/Ezr1GY2gKns/mqdefault.jpg)
26:38
a very golden Fibonacci sum
![](https://i.ytimg.com/vi/stpiBy6gWOA/mqdefault.jpg)
17:13
Un avance en el uso del cuadrado mágico - Numberphile
![](https://i.ytimg.com/vi/d4EgbgTm0Bg/mqdefault.jpg)
31:51
Visualizing quaternions (4d numbers) with stereographic projection
![](https://i.ytimg.com/vi/vnDWt7mNDtA/mqdefault.jpg)
20:16
So many powers of 2!!
![](https://i.ytimg.com/vi/czrel_yqJYM/mqdefault.jpg)
15:30
¡Entienda los tensores como un físico! (La manera fácil)
![](https://i.ytimg.com/vi/RcYSzFkCWhk/mqdefault.jpg)
14:26