Vortex radio waves could boost wireless capacity infinitely

After four years of incredulity and not-so-gentle mocking, researchers have finally proven that it's possible to simultaneously transmit multiple radio channels over exactly the same wireless frequency.
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a) Intensity and (b) phase maps of the í µí³ = −1 radio beam vortex

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Vortex radio waves could boost wireless capacity infinitely

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Multifunctional optical vortex generation by hybrid phase plates. (A)