On sound waves

Sound is an oscillation
Sound is a sensation

Sound waves
are vibrations

Sound waves are defined by
Speed, direction,
amplitude, intensity
frequency, and wavelength

A vibrating object
produces sound

Longitudinal waves
In the direction of travel

Sound propagation is affected by
Density, motion and viscosity

The reception of sound
Is the perception of the brain

An echo
Is a sound reflexion

Good to know

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Experiment with robots and music

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