More from Chalkdust

Moving #1
The first instalment of our new comic
Chalkdust Book of the Year 2021
We announce the shortlist of our favourite maths-themed books of last year
Chalkdust issue 11 puzzle hunt #5
Adam Townsend sets the fifth and final puzzle. Can you solve it?
Chalkdust Issue 07 – coming 13 March
Join us at our upcoming launch party!
Top Ten: Geometry instruments
The definitive chart of the best tools
Seeing double
Take a ball, divide it into parts, glue them back and get two identical copies of your ball!
