The Volume of a Sphere - Numberphile
10:33
Strange Spheres in Higher Dimensions - Numberphile
9:46
How many ways can circles overlap? - Numberphile
15:47
How Archimedes First Deduced the Volume of a Sphere
18:53
Cones are MESSED UP - Numberphile
9:24
Parabolas and Archimedes - Numberphile
32:23
Why are the formulas for the sphere so weird? (major upgrade of Archimedes' greatest discoveries)
15:51
But why is a sphere's surface area four times its shadow?
14:41