via youtube.com
Created by Richard Waters, it has appeared in Poltergeist, The Invasion of the Body Snatchers, The Matrix and even Crouching Tiger, Hidden Dragon.
It even has a wikipedia page: http://en.wikipedia.org/wiki/Waterphone
Created by Richard Waters, it has appeared in Poltergeist, The Invasion of the Body Snatchers, The Matrix and even Crouching Tiger, Hidden Dragon.
It even has a wikipedia page: http://en.wikipedia.org/wiki/Waterphone