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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.

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
Will this article ever end?
Emilio McAllister Fognini explores the maths that made Turing so famous
Chalkdust issue 11 puzzle hunt #4
Humbug sets the fourth puzzle. Can you solve it?
Page 3 model: When zombies attack
Every issue we feature another great model on page 3 of our magazine. This time we look at what to do when zombies attack.

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

Will this article ever end?

Chalkdust issue 11 puzzle hunt #4

Page 3 model: When zombies attack