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The atomic bomb has exist already over 50 years, but it\'s fortunately only used twice. 1945, the Americans dropped an atomic bomb over the Japanese cities Hiroshima and Nagasaki. So an American aircraft flew over Hiroshima in the morning of August 6 1945, and dropped the 4 tons heaviness atomic bomb at the height of 10 kilometres. Before they dropped the bomb, when the aircraft flew to Hiroshima, they gave a short alarm in the city, but otherwise, the aircraft doesn\'t make a bad impression, because it looked as if it was unarmed. But a short time away, the atomic bomb detonated 600 metres over Hiroshima. This bomb killed 200,000 people.
The shock wave, with the maximum speed of 1200 km/h, destroyed all the buildings within a radius of 1,5 kilometre. The windows smashed even in a distance of 12 kilometres. The head wave and the radioactive radiation killed all the people within a radius of several kilometres. The radioactive radiation in the first minutes after the detonation, and the fallout in the first day after the detonation contaminated all the city. 3 days after this, on 9 August 1945, the terrible disaster repated itself with the same course and the same result like in Hiroshima in the second nuclear attack on Nagasaki. And with them another 74,000 people died and again many people were contaminate.
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