Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well ...

Abstract: Air-coupled ultrasonic transducers are widely used in non-destructive testing, acoustical sonar systems, and biomedical imaging. These applications require transducers that operate ...

Abstract: Ultrasonic motors are known as actuators that use ultrasonic vibration. Actuation force is induced though friction, which causes wear and damage on sliding parts, resulting in a shortened ...

RENTAL FAMILY, from left: Mari Yamamoto, Brendan Fraser, 2025. ph: James Lisle / © Searchlight Pictures / courtesy Everett Collection ©Searchlight Pictures/Courtesy ...