
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.
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Oπnions: In defence of toy models
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Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmionsThe Wonder Book of Geometry
We review the seventh of this year's nominees for the Book of the Year, and open the vote for the readers' favouriteMaking your own papercupter
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What happens if you play the prisoners' dilemma against yourself?