1. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    53223
    22 Dec '11 22:22
    It allows light to flow one way only, the optical equivalent of an electrical diode which allows electric flow in one direction only, a key step to creating all optical computing.

    http://www.physorg.com/news/2011-12-device-optical.html

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