Number of stitches for circle, sphere and hyperbolic pseudosphere
More from Chalkdust
- The algebra will set your heart aflutter.
- We chat to Andrea about crime, maths and her fluid career
- Hyperbolic surfaces, Klein bottles and more
- Chatting with a Fields Medallist in a Leicester Square pub
- The extreme weirdness of slow viscous flows, and why borrowers shouldn't use doggy paddle.
- On the mathematics of love, communicating maths to the public, and women in maths.