PowerPoint Presentation

[Audio] Atomic bombs have left a destructive mark on the world, with their process of creation being complex and outcomes catastrophic. In August 1945, the US released two nuclear bombs on Hiroshima and Nagasaki in Japan, with total devastation of cities and large-scale loss of life ensuing. This is not to mention the long-term health and environmental issues that nuclear radiation has caused. Nuclear weapons have had a dramatic effect on history and should never be forgotten for their devastating impact..

[Audio] Atomic bombs are renowned for their incredibly destructive capabilities. This power derives from a nuclear fission reaction in which the nucleus of an atom is broken down into smaller parts, thus releasing vast amounts of energy. During World War II, the term 'Atomic Bomb' usually connotes this fission-powered weapon. In history, the two most destructive atomic bomb attacks were seen in Hiroshima and Nagasaki. Remnants of these bombs still remain, providing invaluable information about the consequences of a nuclear detonation. The devastating effects of Hiroshima and Nagasaki illustrate the destructive power of atomic bombs and the extreme destruction they can bring forth - complete destruction of homes, businesses and lives. Given this, the use of nuclear weapons has been strictly regulated and monitored ever since..

[Audio] In August of 1942, the United States initiated the codenamed Manhattan Project to research and develop the first atomic bombs for World War II. Scientists from around the world, including Albert Einstein, contributed to the effort, which primarily included purifying uranium-235. By July 1945, the first atomic bomb was successfully tested and deployed on the Japanese cities of Hiroshima and Nagasaki, led by the project's main figures Robert Oppenheimer and Leslie R. Groves. Since then, the Manhattan Project has become synonymous with the period of nuclear warfare..

[Audio] An atomic bomb operates by fission reactions. Fission is the splitting of an atom's nucleus into fragments, emitting high levels of energy and free neutrons. These free neutrons can then set off a nuclear chain reaction, where a single neutron will cause a multitude of other neutrons to be released, which, in turn, yields a vast amount of energy. This is the main principle behind the function of an atomic bomb..

[Audio] The Little Boy was the world's first atomic bomb deployed in warfare. It was a gun-type bomb and used uranium 235, a fissile material, as its power source. This type of bomb works by using an explosive device to push one portion of uranium against the other, thus creating a powerful chain reaction and releasing energy with a destructive power of twenty thousand tons of TNT. The bombing of Hiroshima on August 6th, 1945 was the first use of such a weapon, with its devastating consequences..

[Audio] Pu-239, a fissile material, was used for the atomic bomb known as 'Fat Man'. The plutonium was cut into subcritical pieces and enclosed in a round shell. To cause the chain reaction, gunpowder was employed to propel the Central Unit. Thus, it was known as an 'implosion type' bomb..

[Audio] The United States Military was given the decision in 1945 of which Japanese cities to use as targets for the atomic bombs. There were four possible cities: Hiroshima, Nagasaki, Kokura, and Niigata. After careful examination, Hiroshima and Nagasaki were chosen. The main aspects that made them the targets were that they had not been affected by the war and bombing, which made them suitable for the United States to show the destructive power of the atomic bombs..

[Audio] On July 16th, 1945, the United States conducted the first atomic explosion as a test in Alamogordo, New Mexico. Subsequently, on August 6th, 1945, the United States dropped the world's first atomic bomb, codenamed "Little Boy", on the Japanese city of Hiroshima. On August 9th, a second atomic bomb, codenamed "Fat Man", was dropped on the city of Nagasaki. These two events marked the start of the atomic era and have drastically impacted the world..

[Audio] At the start of the 20th century, the atomic bomb was conceived, introducing a new level of destruction unparalleled in world history. On August 6, 1945, the United States dropped the first atomic bomb over Hiroshima, Japan, with an explosive force of 15000 tons of TNT. The catastrophic effects of this bombing were felt on a global level, with a second atomic bombing over Nagasaki just three days later. The residual effects of these two bombings have caused widespread devastation, which still reverberate to this day..

Hiroshima & Nagasaki Bombings. Hiroshima & Nagasaki Bombings.

[Audio] Emperor Hirohito accepted the Potsdam Declaration on August 14, 1945, thus formally ending World War II. This surrender created a new era of power in the Pacific, as the Allied powers had won over Japan. As the new leader of a broken nation, Hirohito had to make the difficult decision of whether to accept the surrender or resist further. In the end, he chose to accept the Potsdam Declaration, paving the way for a new era of peace in the region..

IN...*F. THE UNEXPECTED When US bombed Japan , they didn’t know of who ( besides the Japanese) was there They killed : Allied POWs Korean and Chinese labours 3,200 Japanese American citizens.

[Audio] We have come to the conclusion of our discussion regarding the devastating legacy of the atomic bombs. We explored the history of the Manhattan Project, looked into the first bombings in Hiroshima and Nagasaki, and examined the effects these had on the two Japanese cities. It is clear that the long-term consequences of these weapons are still being felt today worldwide, and have contributed to an arms race and the development of nuclear energy. It is incumbent upon us to continue to discuss and consider the ethical implications of these weapons, and strive for global disarmament and alternative solutions for conflict resolution. I would like to express my gratitude for everyone's engagement and attention throughout this presentation. Thank you..