When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What if you could listen to music or a podcast without headphones or earbuds and without ...

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 ...

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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 ...