More from Chalkdust
- Sophie Maclean and David Sheard speak to a very top(olog)ical mathematician!
- Discover the meaning of the coloured squares on the cover of issue 13
- 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
- The definitive chart of the best dates