How Quiet are the World’s Quietest Rooms?

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You might’ve seen the world’s quietest rooms in a YouTube video. So how quiet are they really? I’m in one right now!

Normal human conversation around 60dB…

The sound of you breathing is around 10…

The quietest sound humans can hear is roughly 0…

But we know the sound of an AIR PARTICLE MOVING AROUND is about -23…

This room is… drumroll please….

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