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The idea that something so intangible as acoustic levitation can lift objects may seem unbelievable, but it's a real phenomenon.

It may sound like the name of a '90s indie band, but Acoustic Kitty was a CIA program to train housecats to be spies. Imagine how that turned out.

How is an electric guitar different from an acoustic guitar?

Are you how to soundproof a room? Find out how to soundproof a room in this article.

Banjos have a distinct twangy sound due to a combination of acoustics, physics and musicianship. Learn more about why banjos sound twangy.

A sound wave alone probably won't kill you. Crank the volume on a terrible song, though, and you just might annoy everyone to death.

There are three basic systems that are used to recognize a person's touch. Learn how touch-screen monitors work.

You know that sound synonymous with a certain laser blaster from a galaxy far, far away? Yeah. It sounds like that.

What is this bumpy stuff on my ceiling that looks like popcorn or cottage cheese?

Do you think you might be interested in a career in live sound engineering? Learn more about how live sound engineering works at HowStuffWorks.

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