Pi and Buffon's Matches

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...

Our Pi Playlist (more videos): http://bit.ly/PiPlaylist

Dr Tony Padilla's unique (and low budget) twist on the Buffon's Needle experiment to learn the true value of Pi.

OUR PI VIDEOS ---
ALEX BELLOS AND ROGER DISCUSS ITS HISTORY http://www.youtube.com/watch?v=yJ-HwrOpIps
BOUNCING BALLS AND A STRANGE PROPERTY http://www.youtube.com/watch?v=abv4Fz7oNr0
MATCHES HELP FIND PI http://www.youtube.com/watch?v=sJVivjuMfWA
THE SOUND OF PI http://www.youtube.com/watch?v=wPn4tgmU8ek