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rekees
Joined: 03 Nov 2005
Posts: 8
Location: xanadu |
IBM slows light
 Thu Nov 03, 2005 7:39 am
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this is cool
IBM has created a chip that can slow down light, the latest advance in an industrywide effort to develop computers that will use only a fraction of the energy of today's machines.
The chip, called a photonic silicon waveguide, is a piece of silicon dotted with arrays of tiny holes. Scattered systematically by the holes, light shown on the chip slows down to 1/300th of its ordinary speed of 186,000 miles per second. In a computer system, slower light pulses could carry data rapidly, but in an orderly fashion. The light can be further slowed by applying an electric field to the waveguide.
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KNOW-THIS
Joined: 14 Jul 2003
Posts: 3694
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Thu Nov 03, 2005 8:01 pm
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quote:
IBM has created a chip that can slow down light
Scientists freeze beam of light
quote:
Physicists say they have brought light to a complete halt for a fraction of a second and then sent it on its way.
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