On August 6, 1945 an atomic bomb named Little Boy was dropped on Hiroshima, Japan. The explosion was huge, the city was destroyed, and tens of thousands of people were killed.
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(http://www.ducksters.com/history/world_war_ii/ww2_atomic_bomb.php)
The Manhattan project was a research and development undertaken during WWII that produced the first nuclear weapons. (wikipedia)
An atomic bomb explosion produces some radioactive products which was the cause of the 100,000 deaths after the bomb. (wikpedia)
"Little Boy" one of the atomic bombs that was dropped over Hiroshima is 28 inches in diameter and 120 inches long. This bomb weighed about 9,000 pounds and had a yield of approximately 15,000 tons of high explosives. (The National Security Archive)
"Fat Man" was the atomic bomb dropped over Nagasaki. The bomb s 60 inches in diameter and 128 inches long, the bomb weighing around 10,000 pounds and had a yield approximately 21,000 tons of high explosives
The bomb "Little Boy) was dropped by a plane named the Enola Gay which was piloted by Colonel Paul Tibbetts.
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When the plane "Enola Gay" dropped the atomic bomb "Little Boy" on Hiroshima A small parachute was attacked to the bomb in order to slow it down and give the plane time to clear the area of where the blast hit.
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Six days after the bombing of Nagasaki, Emperor Hirohito announced over radio that himself and Japan are surrendering to the US forces.
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(http://www.ducksters.com/history/world_war_ii/ww2_atomic_bomb.php
The city of Hiroshima was a big city and had an army base, this attracted the attention of the US forces to drop the bomb here
to display the power of their new weapon.
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to display the power of their new weapon.
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There were 90,000 buildings in Hiroshima before the bomb was dropped; only 28,000 remained after the bombing.
(http://www.history.com/this-day-in-history/american-bomber-drops-atomic-bomb-on-hiroshima)
(http://www.history.com/this-day-in-history/american-bomber-drops-atomic-bomb-on-hiroshima)
Before the Explosion in Hiroshima there were 200 doctors in the city and only 20 made it out of the blast alive and in good enough condition for working. (http://www.history.com/this-day-in-history/american-bomber-drops-atomic-bomb-on-hiroshima)
1,780 nurses in the city before the dropping of the atomic bomb and only 150 were left and were well enough to help the wounded and sick. (http://www.history.com/this-day-in-history/american-bomber-drops-atomic-bomb-on-hiroshima)