More from Chalkdust

Dear Dirichlet, Issue 08
Village fetes, Brexit and flowers are among the topics of discussion in this issue's Dear Dirichlet advice column
How to make: a hyperbolic plane
A great way to waste a lot of paper
In conversation with Andrea Bertozzi
We chat to Andrea about crime, maths and her fluid career
Fractional calculus: the calculus of witchcraft and wizardry
How can we differentiate a function 9¾ times?
Time turns backwards at the Spark Festival
The extreme weirdness of slow viscous flows, and why borrowers shouldn't use doggy paddle.
Do you have too many or too few friends?
Do we have a natural limitation on the number of friends that we have?
