By bouncing eye-safe laser pulses off a mirror on a hillside, researchers have transferred ultra-precise time signals through open air with unprecedented precision equivalent to the “ticking” of the world’s best next-generation atomic clocks.
By bouncing eye-safe laser pulses off a mirror on a hillside, researchers have transferred ultra-precise time signals through open air with unprecedented precision equivalent to the “ticking” of the world’s best next-generation atomic clocks.