fire8 - Chalkdust

The first three centred square numbers: 1, 5, and 13.

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 maths before the scalpal
Leszek Wierzchleyski investigates how mathematicians can help surgeons
The Mathematical Games of Martin Gardner
The great contributions of the man who started popular mathematics
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.