How the Rubens' Tube turns music into fire

The Rubens' Tube is a lit gas jet attached via a tube to a stereo speaker. When the speaker kicks into gear, the changes in pressure along the tube make the the flames spring up or die down in waves as the music plays. You may have seen a version of this if you've attended the concerts of bands who aren't concerned… » 12/08/11 7:00am 12/08/11 7:00am