Cover Image: September 2000 Scientific American Magazine See Inside

Unlimited Light [Preview]

Researchers make pulses that travel faster than light--sort of

By David Appell















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PRINCETON, N.J.--First things first: Einstein has not left the building.

Despite some recent virtuosic experiments with pulses of light widely

reported to far exceed the speed of light, physicists still agree that no object or information has been made to travel superluminally. Cause-and-effect is


This article was originally published with the title Unlimited Light.



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