"Galactic Wi-fi?"
Space.com
This is today's Space.com's "SETI Thursday" post.
Some Swedish physicists have found a previously-unexplored wrinkle in the Maxwell equations. It may be - should be - possible to boost the bit rate for narrow-band transmissions, encoding information in the signal's angular momentum.
Don't worry: the article does a better job of explaining the ideas than that last paragraph.
SETI: Search for Extra-Terrestrial Intelligence. Not a coalition of "I was abducted by alien proctologists." The SETI Institute is a serious organization, trying to find signs of intelligent life in the universe: preferably within a few hundred light-years of us.
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