anechoic chamber, hallucination, orfield laboratories, soundproof, Weird, weird

The Silent Room That Drives You Insane

Orfield Laboratories, located in Minnesota, is home to the most soundproof anechoic chamber in the U.S.—basically, an ultra-soundproofed room. If you stay in the room (in the dark) for more than a few minutes, you begin to hear your own heartbeat and lung function.