
Satellite quantum communication circles closer
29 July 2010
A trick used in 3D-movie theatres could enable totally secure quantum communication with satellites

29 July 2010
A trick used in 3D-movie theatres could enable totally secure quantum communication with satellites

29 April 2009
Machines that compute using quantum principles are arriving on the market at last, but claims of unbreakable security look unfounded

15 October 2008
As the first network protected by quantum cryptography is switched on, eavesdroppers are using increasingly sophisticated methods to crack such "unhackable" systems

3 October 2008
Sending a bright pulse of light lets an eavesdropper hijack quantum equipment so they can intercept secrets without detection

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

7 November 2007
A "quantum key" passed from the ATM to a cellphone could make it impossible for someone to use your credit card to make fraudulent transactions online

17 October 2007
Sharing an encryption key securely is possible even if one party remains firmly rooted in the world of classical physics

23 May 2007
A novel method of encrypting messages is proposed that uses the natural thermal noise created by resistors

10 November 2004
A breakthrough in quantum cryptography has brought uncrackable codes a step closer

14 May 2004
Encryption can now be performed fast enough to secure moving pictures