Photonic booms may help illuminate astronomical secrets
Houghton MI (SPX) Jan 11, 2015 - If you sweep a laser pointer across the Moon fast enough, you can create spots that actually move faster than light. Anyone can do it. At a meeting, this past week, of the American Astronomical Society in Seattle, Wash. Robert Nemiroff, a physics professor at Michigan Technological University, reported that this theoretical curiosity may turn out to be practically useful out in the cosmos. ... more
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