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
Flo-maps fractograms: the prequel
Hugh Duncan returns with the long-awaited prequel in which he further explores the geometric patterns hidden behind the fractions.
Mathematicians and their Gods
Believe it or not: Mathematics and Theology can coexist
Analogue computing: fun with differential equations
Solving differential equations instantaneously, using some electrical components and an oscilloscope
