img16 - Chalkdust

Period 3 orbits break up into two distinct groups with different shapes

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.

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 $\square$?
Summer puzzles
Have a go at these puzzles, adequate for your holidays!
What’s hot and what’s not, Issue 04
Don't be left behind... more mathematical fashion advice
Maths at EMF camp
Exploring the maths on offer at this year's UK hacker festival.