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Chalkdust issue 19 – Coming 20 May
Pre-order your copy now!Top Ten vote issue 17
Have your sayPage 3 model: Why don’t stars collapse?
Why don't they?Christmas conundrum #4
Can you solve four puzzles to reveal the hidden message?Killing by numbers: the mathematics of warfare
A blast from the past. Modelling battle grounds from ancient Greece.Hairy balls, cyclones and computer graphics
What can a 100-year-old result in topology say about weather and computers?