The Quietest place on Earth is an anechoic chamber that’s 99.99% sound-absorbent. You can hear your heart beating, your lungs, and your stomach gurgling loudly.
Imagine a place so quiet, you can hear your heart beat, your lungs breathe and your stomach digest. The anechoic (meaning echo-free) chamber at Orfield Labs in Minnesota absorbs 99.99% of sound, making it the quietest place in the world, according to the Guinness Book of World Records.