More from Chalkdust
How to make: a chaotic scatterer
Make your own scatterer from some old Christmas decorations
Making your own papercupter
Next time you are finished using a paper cup, create your own papercupter!
Which mathematician are you?
Behind today's door... a quiz!
Hedy Lamarr: Hollywood star and secret inventor
James Grime gets intimate with 'the most beautiful woman in the world' from the golden age of Hollywood
What’s hot and what’s not, Issue 02
We tell you what's popular in the world of maths, so you can get ahead of the curve!
Page 3 model: The Duckworth–Lewis method
Meet the Duckworth-Lewis method, 23, from Lancashire