bondisthebest writes: IEEE Spectrum reports "Physicists in Switzerland led by Nicolas Gisin of the University of Geneva reported last week in Nature that they have made a solid-state device capable of storing photons for as long as 1 microsecond. The invention will aid in the development of light-based quantum-cryptography networks, which are theoretically impervious to hacking but are currently limited in range to a few dozen kilometers, primarily because of a lack of a suitable way to store the quantum state of photons." See the full article at http://spectrum.ieee.org/dec08/7084. One more of those quantum network obstacles partially surmounted.
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