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From satellites to the London Olympics, all in one career

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Discover why the number 6174 is so mysterious.

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September 2008
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quantum entanglement

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In the second of two articles, Artur Ekert visits the strange subatomic world and investigates the possibility of unbreakable quantum cryptography.

Tags: quantum cryptography : quantum entanglement : cipher : action at a distance : local realism


Tags: probability : quantum entanglement : particle spin