More from Chalkdust

Solving a cubic in 1646
Elinor Flavell takes squaring the circle to another level
Chalkdust issue 21 – Coming 17 March
Pre-order your copy of issue 21 now!
Prize crossnumber, Issue 18
Can you solve it?
How to be more Pythagoras
Max Hughes investigates how channelling your inner Pythagorean may help you to become the next big lifestyle influencer
Significant figures: Katherine Johnson
Biography of Katherine Johnson, NASA human computer and research mathematician
Baking a Menger sponge sponge
Sam Hartburn bakes your favourite fractal
