The World's Quietest Room, A Minnesota lab

The World's Quietest Room


A Minnesota lab has a room that is said to be the quietest in the world. It's so quiet in fact that the only sound you'd hear is your own body.

You can eavesdrop on your heart beating, your stomach gurgling - sometimes you can even hear your lungs.

The walls are double, made of insulated steel, concrete and fiberglass acoustic wedges that are a metre thick (about 3 feet). The floor is mesh, "like a trampoline" all of which make the room 99.99% sound-proof.

In fact, if you're in there for any length of time, you have to sit down because it can be so disorienting. Orfield said the longest anyone's held out is 45 minutes.


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