More from Chalkdust
NEW! Pop-math book club
Do you have lots of unread pop math books on your shelves? Join our new monthly online book club!
That’s a Moiré
Donovan Young interferes in wave patterns
Solutions to recent puzzles
Looking back at puzzles about complex numbers, tic-tac-toe, and the Eggnog Mystery
Biography of Sophie Bryant
A biography of Sophie Bryant
Debugging insect dynamics
Explain the strange dynamics of certain insects using game theory
Is MEDUSA the new BODMAS?
Why the infamous acronym needs revising.