Belgrade authorities have used sound weapons on the crowd of protesters. The video description has some educational links.

There are lots of videos around.

    • @Sylvartas@lemmy.dbzer0.com
      link
      fedilink
      English
      172 days ago

      Sound is moving air and carries energy. With the right frequency and intensity it could definitely physically fuck you up even if your ears are covered.

      Wikipedia:

      Studies have found that exposure to high intensity ultrasound at frequencies from 700 kHz to 3.6 MHz can cause lung and intestinal damage in mice

      • @barsoap@lemm.ee
        link
        fedilink
        English
        82 days ago

        LRADs are loudspeakers. Loudspeakers which can output in the order of 160db at 1m. Anything can be a weapon when you make it powerful enough.

        • @MyScreenName@lemmy.zip
          link
          fedilink
          English
          51 day ago

          Technically, yes. A bullet is just a fast moving object.

          I was refering to sheer power of the thing. Guy asked if earplugs would help. LARD gets a tree swinging. It’s not “just a speaker” at that point.

      • Jonas
        link
        fedilink
        42 days ago

        @europe might have to read more about this but I thought sonic weapons were also able to destroy your eardrums right