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Quantum Cryptography Secures the Electrical Grid
3/29/2013

The Quantum Cryptography (QC) transmitter prototype. A single optical fiber carries the single-photon quantum data packet/commands up to 25km.   (Source: Los Alamos National Laboratory)
The Quantum Cryptography (QC) transmitter prototype. A single optical fiber carries the single-photon quantum data packet/commands up to 25km.
(Source: Los Alamos National Laboratory)

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Ann R. Thryft
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Blogger
Grid management and security
Ann R. Thryft   4/1/2013 5:36:15 PM
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Thanks for covering the important subject of grid management, especially the fact that utilities use it to mix and match various sources of renewable energy as needed. And the fact that without such security systems, data transmitted can be intercepted.

naperlou
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Blogger
Math and Physics
naperlou   3/31/2013 9:11:05 PM
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Cabe, this is a very interesting development.  I do wonder about your characterization of the technique as involving physics, not math.  I really thought that all physics used mathematics. 

notarboca
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Gold
Quantum Spin
notarboca   3/30/2013 12:55:54 AM
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@cabe, the translation of the spin of a single photon at the receiving end is nothing short of Star Trek tech.  The way eavesdroppers can be detected is also a plus.  The grid has needed more security for some time now.

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