Piezoelectricity is the ability of certain materials to generate an electric charge in response to mechanical stress. They also have the opposite effect – the application of electric voltage produces mechanical strain in the materials.
This effect makes piezoelectric materials effective in sensors and transducers used in the automotive and healthcare industries, and for environmental monitoring.
The word is derived from the Greek piezein, which means to squeeze or press.
Piezoelectricity is an established and safe technology.
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