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Chinese satellite sends 'hack-proof' message


Image copyrightvladimir_nImage caption Lasers help generate a Quantum state that changes when anyone eavesdrops on it China has successfully sent "hack-proof" messages from a satellite to Earth for the first time.


Complicated optics on the Chinese satellite protect messages with entangled photons - sub-atomic particles of light manipulated so that some of their key properties are dependent on each other.


By encoding a key to encrypt data using entangled photons, it becomes possible to send messages confident that they have reached a recipient free of interference.


Image copyrightkynnyImage caption Fibre-optic cables can speed light but signals have to be boosted over long distances "That, for instance, can meet the demand of making an absolute safe phone call or transmitting a large amount of bank data," he said.


The Micius test was one of several experiments "bringing the concept of a global quantum internet closer to fruition", wrote Robert Bedington, Juan Miguel Arrazola and Alexander Ling in a review article in the journal Nature .




READ MORE (BBC News)


  • China uses a quantum satellite to transmit potentially unhackable dataCNBC
  • China's quantum satellite sends unbreakable signals from spaceTimes of India
  • China sends first 'unhackable' message to satelliteFinancial Times
  • Quantum communication breakthrough: China sends 'hack-proof' cipher from spaceInternational Business Times, India Edition
  • China sends first 'unbreakable' message from space satellite to earthExpress.co.uk
  • China achieves major goals in quantum communication ahead of scheduleGlobal Times
  • China Focus: China's satellite sends unbreakable cipher from spaceXinhua
  • Chinese Scientists Conduct Ground-to-Space Quantum TeleportationAnhui News
  • Chinese science teleported into the lead in quantum raceChinadaily USA


This post first appeared on The 5th News, please read the originial post: here

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Chinese satellite sends 'hack-proof' message

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