What does a heartbeat sound like in the quietest place on Earth? This is an anechoic chamber: a room completely void of reverberations. Located at Orfield Laboratories in Minneapolis, MN, the chamber has been dubbed the “world’s quietest room.” After just 30 minutes inside, you start to hear your own heartbeat. In fact, the first half of this video is an audio recording of a heartbeat made inside the room's padded walls. Orfield Laboratories test the sounds of things—from consumer products to me

World’s Quietest Room -What happens inside the world’s quietest room? Can silence be so powerful it overwhelms the human body? Microsoft’s chamber in Redmond, officially recognized by Guinness World Records, reaches levels of quiet that defy imagination. But what does it do to the mind when sound itself is gone? This video explores the darkness within absolute silence. | The Brain Maze

14K views · 61 reactions | The anechoic chamber at Orfield...