This blows me away! The concept of plasma arc speakers is akin to magic. Yet here is proof that they do exist. Paralyzes a few brain cells trying to wrap my mind around music coming a beam of light...or in this case plasma. Nowadays, you can watch the video on a plasma TV and listen on plasma speakers. The song is too long, but is an excellent pop music demonstration of the dynamic range involved.
What's next? A real light saber? "If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1000 MPG." ~Bill Gates