fire10 - Chalkdust

The centred hexagonal numbers can be built from a central dot and six copies of a triangle number

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
A brief history of gravitational waves
The discovery of gravitational waves offers a new way of looking at the universe. Who knows what we will discover?
Dear Dirichlet Christmas special
Agony uncle Professor Dirichlet answers your personal problems this Christmastime.
Ace
How tennis players spin and slice their serves

More from Chalkdust

Oπnions: In defence of toy models

Cryptic wordsearch, Issue 19

On the cover: skyrmions

A brief history of gravitational waves

Dear Dirichlet Christmas special

Ace