More from Chalkdust
- Sophie Bleau chops up, unravels, and squeezes the torus into shape
- Can you solve it?
- David Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
- Uniting the teaching of mathematics and music can benefit pupils greatly in both areas.
- Take a ball, divide it into parts, glue them back and get two identical copies of your ball!
- This month's round up of mathematical blog posts.