Sharpest laser in the world created. The light it emits travels 2 million miles before going out of sync. Possible applications include high precision experiments to make atomic clocks more accurate, to collect better radio astronomy data, and to test Einstein’s theory of relativity.

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Sharpest laser in the world created. The light it emits travels 2 million miles before going out of sync. Possible applications include high precision experiments to make atomic clocks more accurate, to collect better radio astronomy data, and to test Einstein’s theory of relativity.