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A Trick For Bending The Laws Of Physics06:30

This article is more than 6 years old.

You see it on T.V. all the time: cops interrogating a suspect in a cramped room while prosecutors watch from the other side of a one-way mirror.

The prosecutors can see in, but the suspects can’t see out.

Those mirrors are specially coated and lighting is used to create the one-way illusion.

Now engineers at the University of Texas in Austin have figured out how to create a one-way illusion with sound.

From the Here & Now Contributors Network, Matt Largey of KUT in Austin explains.


This segment aired on March 24, 2014.

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