China’s Quantum Satellite Dispatches Transmissions Over a Record Distance of 1,200 Kilometres

A Chinese quantum satellite has dispatched transmissions over a distance of 1,200km (746 miles), a dozen times further than the previous record, a breakthrough in a technology that could be used to deliver secure messages, state media said on Friday. China launched the world’s first quantum satellite last August, to help establish “hack proof” communications between space and the ground, state media said at the time. The feat opens up “bright prospects” for quantum communications, said Pan Jianwei, the lead scientist of the Chinese team, Quantum Experiments at Space Scale…

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