The nominations were announced by Alice Eve and Jeremy Irvine at the The British Academy of Film and Television Arts headquarters in London on Wednesday.

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Newcomer Carol Wallace (Alice Eve) is smart and sexy.

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By comparing a subset of the photons that Alice sends with what Bob measures, the pair can check for the presence of errors introduced by Eve.

ECONOMIST: Secure cryptography is only as safe as its weakest link

If Eve intercepts Bob's pulses and changes the separation between them, she can trick Alice into sending photons that have slightly different polarisations from those that were intended.

ECONOMIST: Secure cryptography is only as safe as its weakest link