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

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
In conversation with Dominique Sleet
Ellen Jolley learns how to run a maths outreach programme
Correction: Who is the best England manager?
Paddy provides a much anticipated update to the most important use of statistical analysis in the last two years
Chalkdust issue 11 puzzle hunt #5
Adam Townsend sets the fifth and final puzzle. Can you solve it?
