Graham's Number

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...

See our other Graham's Number videos: http://bit.ly/G_Number

A number so epic it will collapse your brain into a black hole! Yet Tony Padilla and Matt Parker take the risk of discussing its magnitude. Watch with caution.

See also our video about the Googol and Googolplex at: http://www.youtube.com/watch?v=8GEebx72-qs