 
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
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 - Cryptic wordsearch, Issue 19Can you solve it?
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 - The mathematics of Black PantherNira Chamberlain explains how Black Panther's suit can be modelled mathematically
 - On the cover: Chladni figures of a square drumFind out more about the patterns on the cover of Issue 07
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