Scientists at the University of Central Florida say they’ve figured out how to make pulses of light travel 30 times as fast as usual — or even backward. “We’re able to control the speed of the pulse by going into the pulse itself and reorganizing its energy such that its space and time degrees of freedom are mixed in with each other,” researcher Ayman Abouraddy said in a statement. “We’re very happy with these results, and we’re very hopeful it’s just the starting point of future research.”
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