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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
The Secret Lives of Numbers
We review the fourth of this year's nominees for Book of the Year
$Flo-maps fractograms: the game$
Flo-maps fractograms: the game
Try out these flo-maps for yourself: fractions speak louder than words
The croissant equation
Each time you eat a croissant you might be biting more than 500 layers of dough!

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

The Secret Lives of Numbers

Flo-maps fractograms: the game

The croissant equation