
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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Can you solve it?On the cover: skyrmions
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Can you solve it?What’s hot and what’s not, Issue 10
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Agony uncle Professor Dirichlet answers your personal problems this Valentine's Day.