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Speeding particles in the sights of a laser

It might be easier to track tiny particles in the future – even when they hurtle along with the speed of a rifle bullet. This is thanks to researchers working with Christoph Marquardt and Gerd Leuchs at the Max Planck Institute ...

dateNov 23, 2015 in Quantum Physics
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A laser beam's path through NASA's ICESat-2

Before beaming 300 miles to Earth's surface, bouncing off the ground and travelling another 300 miles back into space, the laser photons on NASA's Ice, Cloud and Land Elevation Satellite-2 first have to complete a 7½-foot ...

dateJun 17, 2015 in Space Exploration
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