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These Sound Engineers Used One Weird Trick to Bend the Laws of Physics

Update: Listen to this story on WBUR's Here and Now.

Original story (Feb. 28): You know how on cop shows, suspects get interrogated in a cramped room with a mirror on one wall? And on the other side, there's a prosecutor or other cops watching through the glass.

Those mirrors are kind of an illusion done with lighting. But the effect also illustrates perfectly how difficult it can be to break a pretty fundamental law of nature.

A group of engineers at UT has figured out how to bend – if not break – that law when it comes to sound.


Special thanks to Stu Scruggs, Bill Trees and William Konitzer from A Capella Texas for providing the pipes for the audio story. You can hear more from them and the rest of their singing group at their performance coming up May 3.

Matt Largey is the Projects Editor at KUT. That means doing a little bit of everything: editing reporters, producing podcasts, reporting, training, producing live events and always being on the lookout for things that make his ears perk up. Got a tip? Email him at Follow him on Twitter @mattlargey.
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