img6d - Chalkdust

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
7 ways to tell if a number is divisible by 7
Łukasz takes us on a tour through a surprisingly diverse range of algorithms to test for divisibility by 7
Mike Jordan on machine learning
Undoubtedly the most influential voice on this hottest of hot topics.
Advent Calendar: 24 December
It's the last day of the Chalkdust advent calendar, so there must be something very good behind today's door...