In 1905, German physicist Heinrich Rubens invented a standing wave flam tube, to graphically show the relationship between sound waves and sound pressure. The Rubens’ Tube is still used today as a tool for demonstrating standing acoustic waves.
Educational science channel Veritasium decided to take the Rubens’ Tube to the next level and visualize audio across a plane, instead of just one straight line. Due to the different sound waves, the pressure variations affect the flow rate of flammable gas from the holes in the Pyro Board and therefore affect the height and color of flames.
The Pyro Board: 2D Rubens’ Tube is so amazing for visualizing standing wave patterns, not to mention how awesome it is when a nice beat drops! Prepare to be amazed by this fantastic invention… this completely blew me away!
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