A structure or device consisting of two layers or materials bonded together that change shape in response to an electric field or temperature change.
From bi- (two) + morph (from Greek morphe, form/shape). Engineering term that emerged in the 20th century for piezoelectric and bimetallic devices.
Bimorphs are the clever engineering behind things like phone vibrations and buzzer sounds—two different materials literally bending and flexing in opposite directions to create movement!
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