Have you ever heard of Fat Man and Little Boy?
They were the names of two atomic bombs. The A bomb was created by the American military and dropped on two Japanese cities. Its effects shocked the world.
Robert Oppenheimer led the creation of the atomic bomb in 1942 under the Manhattan Project. It was created and tested in 1945, 230 miles south of Los Alamos in the New Mexico Desert.
Three weeks after its creation, two atom bombs were used on Japan.