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Issah Merchant discusses the geometric principles behind, and real-world applications of, curvature
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The scientific story behind the cover of Joy Division's treasured debut
On the cover: Harriss spiral
Find out more about the spiral trees on the cover of Issue 09
Puzzles about partitions
Tricks and puzzles that provide an introduction to the world of partitions
What’s hot and what’s not, Issue 01
Be the envy of your friends with our guide to what's hot in maths right now