The Wall Street Journal | By: Josh Chin Updated June 15, 2017 11:11 p.m. ET:
Team beams particles from space in advance for quantum communications.
Chinese scientists have succeeded in sending specially linked pairs of light particles from space to Earth, an achievement experts in the field say gives China a leg up in using quantum technology to build an “unhackable” global communications network.
The result is an important breakthrough that establishes China as a pioneer in efforts to harness the enigmatic properties of matter and energy at the subatomic level, the experts said.
In an experiment described in the latest issue of Science, a team of Chinese researchers used light particles, or photons, sent from the country’s recently launched quantum-communications satellite to establish an instantaneous connection between two ground stations more than 1,200 kilometers (744 miles) apart.
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