Belgrade authorities have used sound weapons on the crowd of protesters. The video description has some educational links.
There are lots of videos around.
Belgrade authorities have used sound weapons on the crowd of protesters. The video description has some educational links.
There are lots of videos around.
My understanding of this is that it is caused partly by bone conduction. It might be possible that closing your ears by pressing frimly on your “tragus” or on the “mastoid process” could reduce the associated effects. The mastoid process is where the jaw meets the ear.