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?
We don’t talk about the integers
Simone Ramello explores the hic sunt leones of the friendliest numbers we know...
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
How to cheat at cards
Kevin Houston teaches us how to deal ourselves the best hand
Top Ten vote: Colours of chalk
Vote for your favourite colour of chalk for Issue 04: is it white, yellow, or the Post Office Tower?
