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I Practicality of quantum communications systems

  1. Sep 5, 2016 #1
    Some years ago there was a news announcement about a quantum commlink between Beijing and Shanghai, more recently a few weeks ago there was the announcement of the first ever quantum communication satellite. I've done some looking but I haven't found any analysis about whether or not this is real. So is all this practical? Is it for real? Is it a fraud? Or is it all just about propaganda?
     
  2. jcsd
  3. Sep 6, 2016 #2
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