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Found 37 results for alice bob
Quantum of solace – information can be rescued from a black hole

Quantum of solace – information can be rescued from a black hole

22 July 2015

The weirdness of quantum teleportation offers a solution for getting information out of a black hole, should you have dropped something in there


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Fragility of entanglement no bar to quantum secrets

17 July 2013

A cryptography scheme works even after the delicate entanglement that enables it has been destroyed – suggesting the property is more practical than thought


Satellite quantum communication circles closer

Satellite quantum communication circles closer

29 July 2010

A trick used in 3D-movie theatres could enable totally secure quantum communication with satellites


Quantum computers get commercial – and hackable

Quantum computers get commercial – and hackable

29 April 2009

Machines that compute using quantum principles are arriving on the market at last, but claims of unbreakable security look unfounded


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Laser cracks 'unbreakable' quantum communications

3 October 2008

Sending a bright pulse of light lets an eavesdropper hijack quantum equipment so they can intercept secrets without detection


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'Twisting' light packs more information into one photon

23 March 2008

How much can you say with a single photon? Until now, the limit has been 1 bit of information – a new quantum twist raises that to 1.63 bits


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Quantum cloning nears perfection limit

29 March 2002

The duplication technique is the best way currently conceivable of decoding the latest cryptographic technologies


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