A Trick For Bending The Laws Of Physics

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.

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

Reporter

• Matt Largey, news editor and reporter for KUT. He tweets @mattlargey.

Copyright 2021 NPR. To see more, visit https://www.npr.org.