fire10

Published at 704 × 300 in Forest fires

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.
cdross1.github.io    All articles by Calum

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