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Careers with maths
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Barry Phipps tells Plus how he bridges the gap between the arts and sciences as an exhibition curator.

A favourite from the archive...
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Get the maths of this famous fractal

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June 2008
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frequency analysis

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In the first of two articles, Artur Ekert takes a tour through the history of codes and the prospects for truly unbreakable quantum cryptography.

Tags: Caesar shift cipher : substitution cipher : Enigma : Bletchley Park : scytale : frequency analysis : polyalphabetic cipher : one-time pad : Vernam cipher