
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
Calum gets on his soap box about toy modelsCryptic wordsearch, Issue 19
Can you solve it?On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmionsThe magnetic pendulum
A tabletop demonstration of chaos.How many quadratics factorise?
Write down a quadratic. What is the probability that it factorises? Paging Prof. Dirichet...Top ten vote issue 05
Vote for your favourite geometry instrument