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Introduction How well do you know your eardrums? You probably know that your eardrum is an essential part of your ear, allowing you to hear the world around you. But why do we call it a drum? It turns ...

Ascending scale: sound waves rise as they travel through media. (Courtesy: Shutterstock/Appler) A new theoretical study has revealed how sound waves transfer small amounts of mass as they travel.

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 ...