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Unbreakable: The race to protect our secrets from quantum hacks

28 February 2018

Quantum computers will smash our best encryption. To make everything from online chats to government intelligence safe, we need maths no machine could solve
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Quantum code: why building the ultimate computer is the easy bit

1 November 2017

After decades of hype, quantum computers are poised to prove their superiority over classical machines. Now the race is on to figure out what to do with them

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