More from Chalkdust
How to make: Ecki the polytope
Make your own Ecki
Maths on the Back of an Envelope
We review the eighth of this year's nominees for the Book of the Year
Biography of Sophie Bryant
A biography of Sophie Bryant
How to make: a hyperbolic plane
A great way to waste a lot of paper
A mathematical view of voting systems
Why voting systems can never be fair
Review of Birth of a Theorem
Cédric Villani’s Birth of a Theorem tells the story of a mathematical theorem