img5 - Chalkdust

A diagram like the previous one, this time without labels or colours, emphasising how the widths of different "edges" are different. The circles with the most total edge width are the biggest.

Circle radii are proportional to the city’s population; route widths are proportional to the number of pen pals.

Clare (like gare) is a Chalkdust editor. In her spare time, she’s an assistant professor at Durham University. She likes Skittles, probability, and making the magazine look more like Cosmo.

In conversation with Christopher Lillicrap
Adam Townsend and Clare Wallace talk to the children’s programme creator about writing for younger generations
Microbe wars
May the bending and twisting forces be with Hannah Woods
Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
Chalkdust dissertation prize
Calling all final-year students!
The big argument: What’s the best way to end a proof?
QED or $\square$?
Chalkdust issue 17 – Coming 22 May
Pre-order a copy and/or book your ticket for our launch event