Invention of Atom Bomb.

The first Atom bomb was made by a team of scientists, J. Robert Oppenheimer, Otto Han, Compto, Fermi, Szilard and Albert Einstein.
It was successfully tested about 200 miles away from Los Angeles in U.S on July 6, 1945.
The bomb explosion caused 40,000 feet high mushroom shaped cloud, the light was seen 450 miles away and devastating heat was felt all around for miles.

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