More from Chalkdust
The Josephus problem
Alvin Choy works out who will be the last one left in
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Who is the best England manager?
Paddy Moore levels the score
Prize crossnumber, Issue 11
£100 of MathsGear goodies to be won if you can solve it
Fun with water bells
Explaining how surface tension makes water form surprising shapes
Music playlists, Facebook and Twitter
Here is a very exciting way to measure how similar is your music playlist between your friends, or how similar are your Facebook contacts.