Using Fire to Visualize Music – A 2D Ruben’s Tube

A Ruben’s Tube is a gas pipe with multiple holes along the way which is used to demonstrate the principle of standing waves. When a suitable frequency is found, areas of high and low pressure (the nodes and antinodes) affect the flow of gas out of the pipe and therefore the height of the flame.

Below is a video demonstrating a 2D planar version of a Ruben’s Tube which makes a fantastic music visualizer!

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