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.

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 ninth Dedekind number
Madeleine Hall is a Dedekind-ed follower of fashion
How can we tell that 2≠1?
Maynard manages to prove that 2≠1 in less space than it took Bertrand Russell to prove that 1+1=2
Significant figures: Katherine Johnson
Biography of Katherine Johnson, NASA human computer and research mathematician
How to make: a hyperbolic plane
A great way to waste a lot of paper

More from Chalkdust

Cryptic wordsearch, Issue 19

On the cover: skyrmions

The ninth Dedekind number

How can we tell that 2≠1?

Significant figures: Katherine Johnson

How to make: a hyperbolic plane