More from Chalkdust

Dear Dirichlet, Issue 15
Weddings, holidays and catfish find their way into the prof's postbox this issue.
Top ten vote issue 09
Vote for your favourite Chalkdust issue
The maths behind a chip goal
We analyse the maths and physics required to execute a good chip shot
In conversation with Jonathan Farley
We spoke with Jonathan Farley about his research and experiences as a black mathematician.
Advent facts I
Santa's sack of scientific surprises
Optimal Pac-Man
Ghostbusting with graph theory
