LiveScience.com - Light Travels Backward and Faster than Light
LiveScience.com - Light Travels Backward and Faster than Light: "'As the pulse enters the material, a second pulse appears on the far end of the fiber and flows backward. The reversed pulse not only propagates backward, but it releases a forward pulse out the far end of the fiber. In this way, the pulse that enters the front of the fiber appears out the end almost instantly, apparently traveling faster than the regular speed of light.'"
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