Nuclear fission the Manhattan Project during World War II (September 1, 1939 – September 2, 1945) carried out most of the early scientific work on fission chain reactions, culminating in the three events involving fission bombs that occurred during the war. The first fission bomb, codenamed "The Gadget", was detonated during the Trinity Test in the desert of New Mexico on July 16, 1945. Two other fission bombs, codenamed "Little Boy" and "Fat Man", were used in combat against the Japanese cities of Hiroshima and Nagasaki in on August 6 and 9, 1945 respectively. Even the first fission bombs were thousands of
World War III in popular culture the atomic bomb. The most notable of these is "The World Set Free", written by H. G. Wells in 1914. During World War II, several nuclear war stories were published in science fiction magazines such as "Astounding". In Robert A. Heinlein's story "Solution Unsatisfactory" the US develops radioactive dust as the ultimate weapon of war and uses it to destroy Berlin in 1945 and end the war with Germany. The Soviet Union then develops the same weapon independently, and war between it and the US follows. The bombing of Hiroshima and Nagasaki in 1945 made stories of a future global