, The Register 2005-04-28
Quantum cryptography - long the stuff of cyberpunk novels and hi-tech spy stories - is leaving the laboratory and making its way into commercial markets. A briefing session at the UK's Department of Trade and Industry on Wednesday featured demonstrations of working quantum key exchange systems by QinetiQ, Toshiba Cambridge and US start-up MagiQ.
Skeptical
I have 2 questions regarding this subject.
1. We are lead to believe that it is impossible for these photon's to be intercepted and read, yet they are able to use 'repeaters' to transmit over long distances. wont this be an interce...
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