Hereβs the Thing!
Let's get straight to the point!
Jazz trumpeter on fire...
The Rubenβs Tube (aka the standing wave flame tube) is an apparatus that visually illustrates the physics of the connection between sound waves and sound pressure. Flames along the tube's perforations respond to pressure variationsβ¦
Search βRubenβs Tubeβ using YouTube etc for more examples.
Please note: I have another infotainment channel on Substack, called Unleashed & Unlimited, where I post podcasts, articles and content unrelated to music.ππ₯π
Brilliant find..