Winning at Rock Paper Scissors

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...

Squarespace: http://www.squarespace.com/numberphile

This video features Hannah Fry - https://twitter.com/fryrsquared

More on this topic (and lizards): http://youtu.be/Z8lv2vy5vco
And even more on this topic: http://youtu.be/ygHwBxWyI6E
The paper: http://bit.ly/RPSpaper

Reddit for this video: http://redd.it/2tq25k

Art and animation by Pete McPartlan