Oak Ridge: Breaking Scientific Boundaries

Three men and one woman extract scientific samples from the reactor.
Workers at the X-10 Graphite Reactor in Oak Ridge, 1946.


Revolutionary science and engineering fueled the Manhattan Project in Oak Ridge. Today, the city is a center of technological innovation. From the Y-12 National Security Complex to Oak Ridge National Laboratory, scientists and engineers still seek answers to some of the world's most complex challenges. Travel back in time to when the innovation began. Explore places along the path of discovery that leads back to the Manhattan Project by following the links below.

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    Last updated: May 4, 2023

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    Mailing Address:

    Manhattan Project National Historical Park
    c/o NPS Intermountain Regional Office
    P.O. Box 25287

    Denver, CO 80225-0287


    Hanford: 509.376.1647
    Los Alamos: 505.661.6277
    Oak Ridge: 865.482.1942

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