A Strange Map Projection (Euler Spiral) - Numberphile
20:25
A 1.58-Dimensional Object - Numberphile
27:31
Measure the Earth’s Radius! (with this one complicated trick)
18:31
The Light Switch Problem - Numberphile
16:11
The Plotting of Beautiful Curves (Euler Spirals and Sierpiński Triangles) - Numberphile
8:06
Tunnelling through a Mountain - Numberphile
16:52
The Goat Problem - Numberphile
21:20
Does -1/12 Protect Us From Infinity? - Numberphile
16:53