More from Chalkdust
In conversation with Martin Hairer
We talk to the Fields medallist about his life, his work and his advice to his younger self.
Chalkdust’s Christmas conundrums
As the festive season strikes again, we'll be dishing out more fiendish puzzles – this time with prizes!
Creating hot ice
We created hot ice from scratch, a solution that remains liquid even below its freezing point!
Linear algebra… with diagrams
Rediscover linear algebra by playing with circuit diagrams
The doodle theorem, and beyond…
Colin Wright juggles Euler, doodling and Millennium problems
Dear Dirichlet Christmas special
Agony uncle Professor Dirichlet answers your personal problems this Christmastime.