fire7

Published at 762 × 191 in Forest fires

The first four square numbers: 1, 4, 9, and 16.

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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