back to article The answer to faster wireless is blowing in the wind

If you make enough hot air, it'll act as a waveguide for optical signals and behave something like an optical fibre. Don't, however, stick your eye in the beam. To create the “air waveguide” described in this paper at Arxiv, the boffins from the University of Maryland were letting loose at least enough heat to burn paper, …


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  1. PleebSmash

    read all about it

    Dueling reporting:

    1. brooxta

      Re: read all about it

      Must be some weird quantum optical effect. Wave - article duality?

      1. Suricou Raven

        Re: read all about it

        No, just plain old refraction.

      2. Phil O'Sophical Silver badge

        Re: read all about it

        Wave - article duality

        Or maybe Jasper and Richard are each others' antiparticles? Have they ever been in the same room together?

  2. James 51 Silver badge

    Does scaling it up mean increasing the amount of heat you're dumping into the local environment? At some point that has got to give diminishing returns, if it doesn’t cause you the equipment to combust first.

    1. 's water music Silver badge

      scaling up

      If you fire a big enough laser at someone, at some point they are going to perceive a message in there

  3. Bronek Kozicki Silver badge

    it's all hot air

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