img20 - Chalkdust

Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.

Oπnions: In defence of toy models
Calum gets on his soap box about toy models
In conversation with Robin Wilson
Ashleigh Wilcox and Ellen Jolley chat to the professor and maths communicator about books, the Open University and music
Cryptic wordsearch, Issue 19
Can you solve it?
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
What’s your favourite set?
Here we have collected our favourite sets, from the Mandelbrot set to the Mahut-Isner set!
The wonders of mathematical crochet
Hyperbolic surfaces, Klein bottles and more