Aye, the Numberphile video is fantastic; that's actually where I first found out about this. :) All their videos tend to be great; they're done by the same fil

Aye, the Numberphile video is fantastic; that's actually where I first found out about this. :) All their videos tend to be great; they're done by the same film-maker that does the "Periodic Videos" youtube channel, Brady Haran.