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Chinese researchers to send an ‘uncrackable’ quantum message to space

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Uncrackable quantum messages can now be despatched via the air and can quickly be beamed into area.

Researchers on the College of Science and Know-how in China (USTC) labored out in 2018 the way to secretly share “quantum keys” between orbiting satellites and floor stations, as Live Science previously reported. That made the connection between the Chinese language Micius satellite tv for pc and three floor websites it communicates with in Europe and Asia by far the most important safe quantum community on the planet. However the quantum secrecy device Micius initially used had a couple of leaks, requiring scientists to develop a extra superior type of quantum encryption generally known as measurement-device-independent quantum key distribution (MDI-QKD). Now, those self same researchers have, for the primary time, pulled off MDI-QKD wirelessly, throughout a metropolis in China, with none fiber optics concerned. They usually’re on the point of ship MDI-QKD as much as Micius.

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