More from Chalkdust

The maths of Mafia
Sophie explores the fascinating mathematics behind the games Mafia and Among Us.
The Wonder Book of Geometry
We review the seventh of this year's nominees for the Book of the Year, and open the vote for the readers' favourite
Crossnumber winners, issue 11
Did you solve it?
Oπnions: Can a horse have an Erdős number?
Lucy Rycroft-Smith reflects on the use of this well-established measurement
Magic behind the Fibonacci sequence
Let's take a look at patterns that can be discovered in Fibonacci numbers and how we can find them around us.
Time turns backwards at the Spark Festival
The extreme weirdness of slow viscous flows, and why borrowers shouldn't use doggy paddle.
