Limestone, Tennessee residents were promised economic benefits from a bitcoin mine, but now face constant noise pollution from its computers and cooling fans (Kevin Williams/Washington Post)

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Kevin Williams / Washington Post:
Limestone, Tennessee residents were promised economic benefits from a bitcoin mine, but now face constant noise pollution from its computers and cooling fans  —  LIMESTONE, Tenn. — It started as a low hum one day last spring.  Then it got louder, and soon some residents said the noise was like a jet engine idling on a nearby tarmac.

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