More from Chalkdust

Headscratchers
We review the eighth of this year's nominees for Book of the Year
Slaying the dragon
Callum Ilkiw takes us through a Dungeons and Dragons dice dilemma
At Sixes and Sevens
We review the fourth of this year’s nominees for the Book of the Year
Top ten vote issue 07
Vote for your favourite unit
Finding the edge of your images
How can we identify objects in photos, to diagnose cancer or predict the weather? Using gradients!
Roots: All things being equal
The story of how we got the equals sign
