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.
More from Chalkdust

Theorems of the 21st Century Seminar
A new online seminar series. Each seminar is an accessible introduction to a theorem of the 21st century.
Oπnions: In defence of toy models
Calum gets on his soap box about toy models
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
Heads and Tails
An unexpected way to beat the odds in this classic game
Four things you didn’t notice in Issue 05
How many did you spot?
