Flying focus: Controlling lasers through time and space

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Scientists have produced an extremely bright spot of light that can travel at any speed -- including faster than the speed of light. Researchers have found a way to use this concept, called 'flying focus,' to move an intense laser focal point over long distances at any speed. Their technique includes capturing some of the fastest movies ever recorded.

from Latest Science News -- ScienceDaily https://ift.tt/2PdaYog

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