The quietest room in the world is found at Orfield Laboratories in Minneapolis, USA, known as the anechoic chamber. It holds the Guinness World Record for being the most silent place on Earth, with a background noise level measured at –9.4 decibels (dBA). The chamber is built with sound-absorbing wedges on the walls, ceiling, and floor, completely eliminating echoes and blocking out all outside noise. Inside this room, silence becomes so intense that people can hear their own heartbeat, lungs, a

The anechoic chamber at Orfield Laboratories in Minnesota is the quietest place on Earth, holding the Guinness World Record with a sound level of -24.9 decibels. The intense silence is so disorienting that people begin to hear their own internal sounds, like their heartbeat and blood rushing. This sensory deprivation can cause hallucinations and a loss of balance, which is why the longest anyone has been able to tolerate it is just 45 minutes. - 📹 HIFI RETRO | Entrelligence