The Manhattan Project

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The Atomic Bomb

The research for the first Atomic bomb took place in the United States, by a group of nuclear engineers; the name of this research was called, “The Manhattan Project”. On July 16, 1945, the detonation of the first atomic bomb was tested near Los Alamos, New Mexico. As the atomic bomb was detonated, it sent shock-waves across the globe, which demonstrated that nuclear power would forever change the meaning of war.

To create a nuclear bomb, nuclear fission must occur. The process of nuclear fission was splitting the nucleus of an atom. Splitting an atom was caused by neutrons firing through one atom and then that atom’s neutrons shoot off into other atoms, starting a chain reaction. In October of 1934, Enrico Fermi, and Italian physicist, discovered how to successfully split an atom. Soon after, this led the atomic bomb to use the same techniques of nuclear fission.

Nuclear fuel goes through fission when struck by free neutrons and then generates neutrons when it breaks apart. Only U-235 uranium atoms, a nuclear fuel, could be used for the chain reaction. This was because it was able to be obtained in large enough quantities to even be useful.

Little Boy was the codename of the atomic bomb dropped on Hiroshima. The design of Little Boy used the gun assembly method, by shooting one piece of the uranium into the other to create a chemical explosion. Another atomic bomb codenamed Fat Man was detonated over Nagasaki. Fat Man was an implosion type bomb. It was a design in which the plutonium-uranium combination was enclosed by high explosives to compress it.

The Manhattan Project brought together a cast of specialists that would redefine the use of atomic power. Through government oversight, specifically th...

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...he Buildings were made of dense collections of wood, and reinforced concrete. After the explosion, 90% of Hiroshima’s buildings were destroyed. Up to 200,000 people died from burns, radiation, cancer, and leukemia.

Nagasaki was the second city to be bombed, which was on August 9, 1945. This city was bombed because it was one of the largest sea ports in southern Japan, and had more importance because of its production of ships, military equipment, and other war materials. Every building was old-fashioned, built out of wood, or made with wood frame buildings. These buildings would be more susceptible to fire than Hiroshima. Immediate deaths were around 75,000 in Nagasaki. By the end of the year 1945, 80,000 were dead.

On August 15, a recording of the Emperor Hirohito’s surrender speech had broadcast over the radio showing the surrender of Japan's military forces.
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