Sonic Black Hole Traps Sound Waves

Don’t feel bad if you’ve never heard of this…lots of people haven’t. Get it? You haven’t "heard" of this because it traps all sound waves…. nevermind.

It's like a black hole because waves get sucked in and can't escape," said Jeff Steinhauer, a scientist at the Israel Institute of Technology and the corresponding author of the article recently posted on the ArXiv.org pre-print Web page. "But in this case we use sound waves instead of light.

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