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
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
Football free-kicks… taken by Newton
Discover the mysteries behind the most spectacular free-kick ever scored and how Newton can help us to simulate it.
Page 3 model: Hallucinations
The geometry of psychedelic hallucinations
