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Helmholtz resonance facts for kids

Kids Encyclopedia Facts
Helmholtz resonator
A brass, spherical Helmholtz resonator based on his original design, circa 1890–1900

Helmholtz resonance or wind throb is air resonance in a cavity. Examples:

  1. Blowing across the top of an empty bottle.
  2. Whistling

The name comes from a device created in the 1850s by Hermann von Helmholtz, the Helmholtz resonator. He used it to find the various frequencies or musical pitches in music and other complex sounds.

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See also

Kids robot.svg In Spanish: Absorbente Helmholtz para niños

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