Abstract: Piezoelectric ceramic hollow cylinders can be utilized to fabricate high-resolution rotation ultrasonic motor. 2 types of standing-wave motor based on coupled tangential-axial (TA) mode and ...

Abstract: Lateral undulation patterns of a flexible spine, including standing waves, traveling waves, and their transitions, enable agile and versatile locomotion in sprawling animals. Inspired by ...

During recent storms, satellites recorded ocean waves averaging nearly 20 meters high—as tall as the Arc de Triomphe in Paris ...