Why Blowing in Bottles Makes Sound and Helmholtz Resonance

An explanation of why blowing in a bottle makes a sound, basically explaining how Helmholtz resonance works and how to bottles are Helmholtz resonators. The same explanation works for what role the speaker plays in moving objects/bottles using sound, the acoustic propulsion in one of my other videos below. This also explains a bit about resonant frequency and compares the sound wave comp

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• #helmholtz_resonance
• #helmholtzs_resonator
• #resonant_frequency
• #frequency
• #sound