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

Chalkdust issue 23 – Coming 20 April
Pre-order your copy of issue 23 now!
Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Ferm-ant’s principle
Tyler Helmuth has lost his ant-vocado
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
Dear Dirichlet, Issue 01
Moonlighting agony uncle Professor Dirichlet answers our readers' personal problems.
