What do you hear in the quietest place on Earth? The beating of your heart as loud as Edgar Allan Poe’s tell-tale organ; the gurgling of your stomach like an angry animal’s growl. The anechoic chamber (meaning a place without echoes) at Microsoft’s Building 87 in Redmond, Washington, was crowned the world’s quietest place last month by Guinness World Records, reaching a new depth of total silence.

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