More from Chalkdust
Rewatch the Issue 12 virtual launch event
Now available to catch up on YouTube
Top ten vote issue 08
Vote for your favourite Chalkdust regular
Game, set, maths (no more tennis puns)
No more Katie Steckles.
Seeing double
Take a ball, divide it into parts, glue them back and get two identical copies of your ball!
Tupper’s self-referential formula
A hideous equation that hides beautiful images, and much (much) more besides...
The doodle theorem, and beyond…
Colin Wright juggles Euler, doodling and Millennium problems