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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 ...

Welcome to science world! Now, most people will associate waves with water, but water isn't the only thing that travels in waves. No, sound also travels in waves. So when you hit something it vibrates ...

Ordinarily, light transmits the same in both directions: if I can see you, you can see me. Now, however, researchers have created a device that uses travelling sound waves to break this symmetry, ...