University of Otago physicists have used a small glass bulb containing an atomic vapor to demonstrate a new form of antenna for radio waves. The bulb was "wired up" with laser beams and could therefore be placed far from any receiver electronics.
    • @ElectroNeutrinoEnglish
      3•1 year ago

      I would probably argue that it’s not so much pointless as it currently has more limited use cases than conventional means. This may or may not change in the future.