December 17, 2001

Paving the way for 'uncrackable' codes

Author: JT Smith

BBC: "The heart of a new light-emitting diode (LED) developed in Cambridge, UK, can be controlled so precisely that it emits just one single photon of light each time it is switched on. The device could be a key component in quantum cryptography, a code-making technology which, it is hoped, will be uncrackable." Read more here.

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