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

There are lots of videos around.

  • MyScreenName
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    11 hours ago

    Nope. It’s a sonic weapon, not loud speaker.

    • barsoap@lemm.ee
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      8 hours 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.

    • Jonas@mastodon.nl
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      11 hours ago

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