Image : Chalkdust.
More from Chalkdust
The magic of particle prediction
Madi Hammond shows us how physicists are predicting the fundamental particles of the universe.
The phantom parabola
Zoe Griffiths investigates paranormal quadratics
Bend it like Newton: curves in football
Discover the mathematical equations that describe the most commonly observed trajectories in football
Review of Elastic Numbers
We have a go at the puzzles in Daniel Griller's new book
How to make: a slide rule
Make calculations easy with this simple-to-make slide rule
Why maps are wrong
If only the Earth were flat...