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CAMBRIDGE, Mass., Feb. 8, 2007 -- By converting light into matter and then back again, physicists have for the first time stopped a light pulse and then restarted it a small distance away. This "quantum mechanical magic trick" provides unprecedented control over light and could have applications in fiber-optic communication and quantum information processing.
This marks another milestone for Hau in light manipulation. In 1998, she disproved theories by Einstein and others that the speed of light in free space couldn't be changed when she slowed light from 186,000 miles a second to just 38 miles per hour. Two years later, she stopped light completely in a cloud of ultracold atoms, then restarted it without changing its characteristics. She received a $500,000 MacArthur Foundation Fellowship (so-called "genius grant") for these experiments.
Originally posted by AlphaAnuOmega
Originally posted by Ed Littlefox
Physics has looked at Motion as a function of Time, but, I believe that the reverse is True; Time is a Function of motion.
[edit on 8-2-2007 by Ed Littlefox]
So, If we cool a radioactive atom, reduce resonance/movement, to 0K. Does it still decay?