Fermi Ignites First Chain Reaction: Dawn of Nuclear Age
Enrico Fermi's team ignites Chicago Pile-1, triggering the world's first self-sustaining nuclear chain reaction and proving atomic energy could be harnessed for power or weapons. This breakthrough instantly shifted global strategy, pushing Allied leaders to accelerate uranium enrichment programs that would soon yield the bombs ending the war.
December 2, 1942
84 years ago
Key Figures & Places
World War II
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Manhattan Project
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nuclear chain reaction
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Enrico Fermi
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first self-sustaining nuclear chain reaction
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World War II
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Manhattan Project
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Enrico Fermi
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Chicago Pile-1
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German Air Force
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World War I
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Chicago
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University of Chicago
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Kettenreaktion
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Nuclear power
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Belgrade
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Austria-Hungary
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Geschichte Serbiens
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Nuclear reactor
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United States
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Italy
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The keeper's wife lit a candle to inspect the lantern room. Within minutes, flames had engulfed John Smeaton's wooden tower — the one that had replaced the orig…
The building still stands. But in 1763, Newport's Jewish congregation numbered maybe 58 families — Portuguese and Spanish refugees who'd fled the Inquisition th…
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