China uses quantum satellite to protect its power grid against attacks

China has created a quantum communication network in space to protect its electric power grid against attacks, according to scientists involved in the project.Part of the network links the power grid of Fujian, the southeastern province closest to Taiwan, to a national emergency command centre in Beijing.In a drill conducted in May, the ultra-secure communication line allowed central government staff to take over control of the coastal province’s power grid operation without their commands…

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