This is an inverted image of a Rubens Tube while rock music is played through a speaker at one end. I thought the inversion of color added to the understanding of the fluctuation of density and color in the flame as it left the Ruben’s Tube. Below are two a non-color inverted GIFs of the reaction of the Rubens with audio waves.
Below are two a non-inverted GIFs of the reaction of the Rubens with audio waves. The gif above is is a slowed down version (1/4 time) of the interaction of the Rubens Tube flame with music. This gif is shot at the same angle as the image above.
Music Credit: Band Tinariwan Song: Chaghaybou
The GIF above is a 1/4 speed recording of high pitch human sound being sung into the end of the Ruben’s Tube.