More from Chalkdust
On the cover: Spirographs
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty pictures
What’s hot and what’s not, Issue 14
Fashion is fleeting, Chalkdust regulars are not.
Significant figures: John Conway
The story of an unforgettable mathematician.
In conversation with Clifford Cocks
We chat to the crypto chief about inventing RSA... but not being able to tell anyone
Victorian maths tricks with old money
Exploring mental arithmetic tricks in T. Martin's 1842 guide, 'Pounds, shillings and pence'
Page 3 model: When zombies attack
Every issue we feature another great model on page 3 of our magazine. This time we look at what to do when zombies attack.