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
Mathematics and pregnancy
Eleanor Doman and Qi Zhou swap percentages for placenta-ges
On curvature: cars, clothoids and cartography
Issah Merchant discusses the geometric principles behind, and real-world applications of, curvature
Crossnumber winners, Issue 08
Did you solve it?
