The quietest room in the world in Minnesota is measured in negative decibels – so quiet that you can hear your heartbeat and your bones moving.
100 Mind-Blowing Quietest Facts
Sound can be minus decibels. The quietest place on Earth is Microsoft’s anechoic chamber in Redmond, WA, USA, at -20.6 decibels. These anechoic chambers are built out of heavy concrete and brick and are mounted on springs to stop vibrations from getting in through the floor.
The world’s quietest room is located at Microsoft’s headquarters in Washington state. In Building 87 of Microsoft’s headquarters in Redmond, Washington lies the quietest room in the world. With a record-breaking background noise of -20.35 dBA, this room is 20 decibels below the minimum of human hearing. It is so silent that if you stay in it for long enough, you’ll start to hear your heartbeat, a deafening ringing in your ears, and the grinding of your bones. To achieve absolute silence, the room was constructed with an onion-like structure made of six layers of concrete and steel.
Minnesota has the world’s quietest room. The noise in this room is measured in negative decibels. It is so quiet, that you can hear your heartbeat as well as the sound of your bones moving. People say that this room is so quiet that it can also drive you crazy within 45 minutes.
The quietest place on Earth is in Minnesota. Pretty much wherever you go in the world, there’s always going to be some sort of background noise, whether that’s the chirp of crickets or the slow, lazy whoosh of a gentle breeze. That’s the case everywhere except Orfield Laboratories in Minneapolis, Minnesota, where something called an anechoic chamber lies. While the background noise in a tranquil bedroom measures somewhere around 30 decibels, Orfield Laboratories anechoic chamber recorded an average of -13 decibels – that’s so quiet that the inner workings of your body are audible.