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On the cover: VisualPDE.com
Ben Walker, Adam Townsend & Andrew Krause invite you to play with their fun online PDE visualiser
How Polish cryptographers first broke the unbreakable cipher
Kimi Chen deciphers the 1920s story you haven’t heard
Can computers prove theorems?
And will we soon all be out of a job? Kevin Buzzard worries us all.
Crossnumber winners, Issue 07
Did you solve it?
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How to model bread making!
Interstellar travel
Investigate the mathematics of wormholes