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Originally Posted by zen_tom
No they haven't - or if they have and I missed it, could you tell me more please?
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From the Speed of Light thread in the Knowledge Forum:
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Light can break its own speed limit, researchers say. Physicists sent a pulse of laser light through cesium vapor so quickly that it left the chamber before it had even finished entering.
"This effect cannot be used to send information back in time," said Lijun Wang, a researcher with the private NEC Institute. "However, our experiment does show that the generally held misconception that `nothing can travel faster than the speed of light' is wrong."
http://archives.cnn.com/2000/TECH/s...ed.of.light.ap/
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