Oak Ridge is a city in Anderson and Roane counties in the eastern part of the U.S. state of Tennessee, about 25 miles (40 km) west of Knoxville. Oak Ridge's population was 29,330 at the 2010 census. It is part of the Knoxville Metropolitan Area. Oak Ridge's nicknames include the Atomic City, the Secret City, the Ridge, and the City Behind the Fence.
Oak Ridge was established in 1942 as a production site for the Manhattan Project—the massive American, British, and Canadian operation that developed the atomic bomb. As it is still the site of Oak Ridge National Laboratory and Y-12 National Security Complex, scientific development still plays a crucial role in the city's economy and culture in general.
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