More from Chalkdust
- Sophie Maclean and David Sheard speak to a very top(olog)ical mathematician!
- Fashion is fleeting, Chalkdust regulars are not.
- David Sheard sets the third puzzle. Can you solve it?
- David Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
- Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column