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U.S. Department of Energy @ENERGY
Check out this snappy @Argonne animated history of the Chicago Pile-1 reactor in block form! — PolitiTweet.org
Office of Nuclear Energy @GovNuclear
WATCH 👀 The world’s first self-sustaining, controlled nuclear chain reaction at Chicago Pile-1 explained brick by b… https://t.co/GafMX9CVRo