Ultrasound is routinely used in clinics and hospitals to image internal organs and babies in the womb. The sound waves used are usually a few millimeters in wavelength, and so they can image ...

MIT scientists want to map the entire ocean so we can understand how climate change is forcing it to evolve. Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, ...

(Nanowerk News) Cells secrete nanoscale packets called exosomes that carry important messages from one part of the body to another. Scientists from MIT and other institutions have now devised a way to ...

It’s a question I’m sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look ...

Information carried by an optical pulse is partially converted into an acoustic wave. The information remains in the acoustic wave even after the light pulse has left the optical fiber. This initial ...