Domino Addition

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

Matt's Big Domino Computer: http://youtu.be/OpLU__bhu2w

More of this interview: http://youtu.be/rEw2hE8ZRlY

Computerphile: https://www.youtube.com/Computerphile

This video features Matt Parker: https://twitter.com/standupmaths
Numberphile videos featuring Matt: http://bit.ly/standupmaths