Submitted by physorg8953 in science
Lighting a gas grill, getting an ultrasound, using an ultrasonic toothbrush—these actions involve the use of materials that can translate an electric voltage into a change in shape and vice versa.
Submitted by physorg8953 in science
Lighting a gas grill, getting an ultrasound, using an ultrasonic toothbrush—these actions involve the use of materials that can translate an electric voltage into a change in shape and vice versa.