Parallel Computing

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Quantum Light Switch: Single Atom Acts as a Transistor for Photons

Wed, 08 Sep 2010 06:18:34 -0700
Point two laser beams so that they cross each other, and each goes through as if the other one did not exist. Light rays cannot interact with other light rays--or can they? With the help of a single atom, physicists have devised a system in which one light beam can turn another on or off. Such a light switch could serve as the basic component of futuristic optical quantum computers and may help ...
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NVIDIA Optimus and 3D Vision Notebooks Featuring New GeForce 400M Series GPUs Arrive for the Holidays

Tue, 31 Aug 2010 19:31:06 -0700

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