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
Issue 11
Space-filling curves, cheating at cards and automated joke generation feature in our spring 2020 edition. Plus all your favourite puzzles & columns.
In conversation with Trachette Jackson
We chat with Trachette about her work in mathematical oncology, her role models, and boosting diversity in mathematics
Top Ten: Geometry instruments
The definitive chart of the best tools
