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No one has lasted more than 55 minutes in the quietest place on Earth
Inside the anechoic chamber at Orfield Laboratories, it is so silent you can hear your own blood flowing and bones moving.
Horrifying side effects man experienced after 86 minutes in world's quietest room where you can hear your own organs
YouTuber Callum McGinley spent one hour and 26 minutes inside the Anechoic Chamber at London's South Bank University, one of the world's quietest rooms.