Inside the world's quietest room

Anechoic chambers are pretty damn awesome. Basically, they're rooms designed to be sound-proofed against outside noise, while, inside, sound is prevented from bouncing off the walls. There's no echo. There's a number of ways you can build this, but one system at the University of Salford in England, is actually a room within a room, [...]

Source: http://boingboing.net/2012/04/04/inside-the-worlds-quietest-r.html

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