More from Chalkdust

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Dog leads, mirrors and Hermann Minkowski
Donovan Young looks at the shapes made when two cones collide
Weirdest Maths
We review the third of this year’s nominees for the Book of the Year
Crossnumber winners, Issue 06
Did you solve it?
Dear Dirichlet, Issue 02
Moonlighting agony uncle Professor Dirichlet answers your personal problems.
Roots: All things being equal
The story of how we got the equals sign
