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Period: to
devolopment and use
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Harold c. Urey discovers deuterium which later contributes to the atomic bombs creation
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Leo Szilard realizes that they need a element that can emit a nuclear chain reaction
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einstein writes a letter to president roosevelt warning of the nazi germany creating an atom bomb
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germany invades poland starting the world war 2
news of the war strikes america and it was so fast it is nicknamed the lightning war -
right before pearl harbor is attacked roosevelt gives 2 million dollars to begin creating the atom bomb
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a terrible explosion in a military bay kills 323 men
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new mexico conducts a test at trinity exploding with an equivelance of 18,00 tons of tnt
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the little boy atom bomb exploded over hiroshima and killed over 100,000 people
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the fat man nuke exploded over nagasaki killing over 75,000 people then japan surrenderd
