More from Chalkdust

Orbit crossnumber
Can you solve it?
A canal runs through it
Colin Beveridge barges in and admires some curious railway bridges
You don’t need permission to be a great mathematician!
Nira Chamberlain, one of the UK's top 100 scientists, shares his experiences as a black mathematician.
Proof by storytelling
Sit in your favourite chair and do away with those tedious algebraic proofs
Changing the status quo
Difficulties in designing a voting system for referenda
Breaking out of the prisoner’s dilemma
What happens if you play the prisoners' dilemma against yourself?
