Video Ultra-broadband ultrasound levitation based on achromatic metasurfaces (VIDEO) Science China Press This video is under embargo. Please login to access this video. Caption a, Particle suspension at 40 kHz；b, Particle suspension at 32 kHz Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.
