More from Chalkdust
- David Sheard sets the third puzzle. Can you solve it?
- Grant applications, musical media and last-minute Olympics training are the topics readers have sent in to the professor's postbox this issue
- David Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
- Solving differential equations instantaneously, using some electrical components and an oscilloscope
- The maths behind Issue 02's cover