More from Chalkdust
The power of curly brackets
Mats Vermeeren sketches a simple proof of Noether's first theorem
Counting caterpillars
Peter Rowlett uses combinatorics to generate caterpillars
Christmas competition #1: ‘You can’t polish a nerd’
Win a DVD boxset from Festival of the spoken nerd in our first Christmas competition!
Page 3 model: Ponytails
Many mysteries about hair are now revealed with the ponytail shape equation
Game, set, maths (no more tennis puns)
No more Katie Steckles.
The doodle theorem, and beyond…
Colin Wright juggles Euler, doodling and Millennium problems