Atomic Heritage Foundation

March 1939

March 1939

Enrico Fermi and Herbert Anderson find that there are about two neutrons produced for every one consumed in fission.

Date Range:

1939CE Mar

Era:

1938 to 1939: Discovering Fission

Hear the stories of the Manhattan Project

Browse our collection of oral histories with workers, families, service members, and more about their experiences in the Manhattan Project.

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Tour some of the key locations of the Manhattan Project with an audio guide.

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Oak Ridge National Laboratory. Photo courtesy of ORNL.

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