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Calum gets on his soap box about toy models
Cryptic wordsearch, Issue 19
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On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
2018 Fields medal winners
Introducing the work that has won mathematics' most famous award
Adventures in Chance-ylvania
High stakes gambling with Paula Rowińska
The simplest difficult task
Factorisation is often used in cryptography. But there's something even simpler which turns out to be just as hard.