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The two ways down a triangle.

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
Mathscon: reshaping the world’s perception of mathematics
Introducing Mathscon, a mathematics conference with a difference!
Stopping distances in the Highway Code are wrong
An easy equation to remember for your driving theory test, with dangerous consequences
Somewhere over the rainbow
Some mathematical questions you might have wondered every time you look at one of those rainbows