Fun Fact Friday: Where is the quietest place on Earth? "An anechoic chamber at Orfield Laboratories in Minnesota, is so quiet that the longest anybody has been able to bear it is 45 minutes. Inside the room it's silent. So silent that the background noise measured is actually negative decibels, -9.4 dBA." Steven Orfield also explained that in an environment THAT quiet, "You take away the perceptual cues that allow you to balance and manoeuvre. If you're in there for half an hour, you have to be in a chair." Who knew?
Read more: https://www.smithsonianmag.com/smart-news/earths-quietest-place-will-drive-you-crazy-in-45-minutes-180948160/
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