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15h 25min, dec 2, 1942 y - First Nuclear Reactor

Description:

Enrico Fermi initiates the first human-made self-sustaining nuclear chain reaction in the Chicago Pile-1. The reactor's development was part of the Manhattan Project, the Allied effort to create atomic bombs during WWII. Fermi described the Chicago Pile-1 as "a crude pile of black bricks and wooden timbers".

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Date:

15h 25min, dec 2, 1942 y
Now
~ 83 years ago

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