The problem in Good Will Hunting
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...
We now have a Tumblr: Tumblr: http://numberphile.tumblr.com
This paper on ebay: http://www.ebay.co.uk/itm/221197137799
Just how hard was the second problem cracked by Will in Good Will Hunting? Matt Damon!
And who doesn't love Homeomorphically Irreducible Trees?
This video features Dr James Grime - http://singingbanana.com/
Music by Alan Stewart - http://www.youtube.com/user/AlanKey86
