Stories about Breaking Scientific Boundaries

A black and white sketch of a large, two-story structure in the middle of the room with two men to the left and several people on a balcony to the left.
This sketch illustrates the world's first nuclear reactor, Chicago Pile 1 or CP-1, which was constructed under the football grandstands at the University of Chicago.

US DEPARTMENT OF ENERGY

 
 
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    Last updated: April 12, 2023

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    Contact Info

    Mailing Address:

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

    Denver, CO 80225-0287

    Phone:

    Hanford: 509.376.1647
    Los Alamos: 505.661.6277
    Oak Ridge: 865.482.1942

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