More from Chalkdust

Chalkdust dissertation prize 2026
Your chance to get your work published as a Chalkdust article---read on to find out more!
On the cover: VisualPDE.com
Ben Walker, Adam Townsend & Andrew Krause invite you to play with their fun online PDE visualiser
Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
How to make: a hyperbolic plane
A great way to waste a lot of paper
What’s your favourite function? Part II
We have received loads of feedback from people telling us their favourite function
Do you have too many or too few friends?
Do we have a natural limitation on the number of friends that we have?
