pi_circle.png

Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Binder Clip Climber

Binder Clip Climber

Brady Haran
Tadashi Tokieda

Featuring Tadashi Tokieda.

More Tadashi videos: http://bit.ly/tadashi_vids

383 is cool

383 is cool
The Four 4s

The Four 4s