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The Hasse diagram for. . .

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?
Book of the Year 2023
We announce the winners of this coveted prize
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
Top Ten: Mathematical games
The undisputed chart of the best mathematical games this season
Names for large numbers
Extending the million, billion, trillion system to much, much bigger numbers

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

Book of the Year 2023

On the cover: skyrmions

Top Ten: Mathematical games

Names for large numbers