16-04-29 Scientists say that a boom in public announcement systems, loudspeakers and automatic doors may be spawning an epidemic of ultrasonic sickness . 科学家认为，公共广播系统、扩音器、自动门等利用超声波控制的设备日益增多，可能会导致超声病的流行。 Even el...

14-11-25 Researchers from North Carolina State University have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these so-called aberrating layers. We've designed...

13-06-02 All chefs know that you have to break some eggs to make an omelet（煎蛋卷） , and that includes engineers at Iowa State University who are using high-frequency sound waves to break down plant materials in order to cook up a better batch of biofuel....

12-12-11 A system that uses ultrasound technology to look inside car engines could lead to more efficient engines -- and huge fuel savings for motorists. Ultrasound scans have long been a fundamental tool in healthcare for looking inside the human body, but...

11-11-15 Sonar and ultrasound, which use sound as a navigational device and to paint accurate pictures of an environment, are the basis of countless technologies, including medical ultrasound machines and submarine navigation systems. But when it comes to mo...