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awesome light information science twisting - 8377920768
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Via Science Alert:

At the moment when we talk with satellites, we use polarised light, which can only vibrate on a single plane, because it's not affected by turbulence in the air. But this is extremely slow, as only one bit of information can be carried by each particle of light.

In order to speed this up, physicists have been looking for a way to encode more information into photons - and in the '90s they began investigating twisting light, which can be sent like a corkscrew across long distances. This is known as orbital angular momentum, or OAM, and it opens up the potential for ridiculously fast and secure communication.
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The Best History Memes Of The Week (14 Memes)

History is always repeating itself. But you know what isn't repeating? These brand new history memes from r/historymemes. If you think you've seen it all, wait till you see these babies. You'll be laughing about history in a whole new way. And here are some fresh history memes from last week to keep you going.  

historical memes, interesting memes, history | Building - Winter Rome Spring Rome Summer Rome Fall Rome 123R
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