By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...

Destructive interference of sound waves is the principle behind noise-cancelling headphones. Two waves are coherent when there is a meaningful relationship between their phases or when their ...

THE spinning electron of Uhlenbeck and l Goudsmit has brilliantly filled up a serious gap in atomic physics, but, while we cannot withhold our admiration from its successes, it is only fair to ...

It just shows that the earthquake was a shallow one. Suppose a train is coming, as it gets closer, the sound gets louder. In the same way, when an earthquake occurs, seismic waves travel through the ...

During the treatment, a small wand-like device uses targeted sound waves to stimulate penile tissue and encourage blood flow, which can also speed up the healing process. Low-intensity shockwaves have ...