Things You Didn’t Know!

Did you know that in the world’s quietest room you can actually hear….
The world’s quietest room is a Acoustic anechoic chamber. These places are used for experiments in acoustics. The interior of these chambers is very quiet – with noise levels in the 10–20 dBA range. The human ears can detect sounds above 0 dba, so in such a chamber you’ll be able to hear yourself blink.
[via Wikipedia]

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