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the Atomic
http://wiki.answers.com/Q/What_was_made_in_the_40'...
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The MK-I Little Boy had about 100 pounds of 80% enriched uranium and about 4 tons of other stuff needed to make that explode. The MK-III Fat Man had about 15 pounds of plutonium and
http://wiki.answers.com/Q/What_is_the_atomic_bomb_...
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The first separation of uranium isotopes was in 1942 in USA - electromagnetic separation (the installation was named calutron).
http://wiki.answers.com/Q/Where_was_the_first_enri...
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New York City, New York, USA See more »
http://www.imdb.com/title/tt0091472/
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