August 4, 2020

From Manhattan to Hiroshima: the race for the atom bomb

Tokyo (AFP) – The atomic bombings of Hiroshima and Nagasaki capped six years of top-secret work by scientists from Europe and North America. Here is an overview of how that process unfolded.Einstein warningIn 1939, Albert Einstein signs a letter warning US president Franklin D. Roosevelt of the destructive potential of nuclear fission, which was discovered by the German chemist Otto Hahn. The letter says the process could result in “extremely powerful bombs of a new type”. Roosevelt creates the Advisory Body on Uranium.Pearl HarborOn December 7, 1941, Japanese warplanes destroy much of the US …


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