C'mon radio, let's do the twist

Wave innovation might dramatically increase bandwidth, researcher says

By Devin Powell, 15:25 PM July 27, 2011

Broadcasting live from Italy: a new twist on radio that could pack more information into the airwaves.

Scientists have demonstrated a way to mold radio waves into spirals that could allow multiple radio stations to broadcast at the same frequency. Two waves with different shapes can carry different information without overlapping or interfering with each other.

That’s good news not only for classic rock ’n’ roll, but for wireless networks and cell phones. These technologies communicate i...

Source URL: https://www.sciencenews.org/article/cmon-radio-lets-do-twist