Manhattan project Atomic bomb

By: Curina Cavett and Brittney Aldridge- 4th Period

Manhattan project Atomic bomb
*On August 2, 1939, just before the beginning of World War II, Albert Einstein wrote to the President Franklin D. Roosevelt. Einstein and several other scientists told Roosevelt of efforts in Nazi Germany to purify uranium-235, which could be used to build an atomic bomb.
*It was shortly there after that the United States Government began the serious undertaking known then only as "The Manhattan Project. Simply put, the Manhattan Project was committed to expediting research that would produce a viable atomic bomb.
*At the time, uranium-235 was very hard to extract. In fact, the ratio of conversion from uranium ore to uranium metal is 500:1. A massive enrichment laboratory/plant was constructed at Oak Ridge, Tennessee.
*A gas centrifuge was used to further separate the lighter U-235 from the heavier, non-fissionable U-238. Once all of these procedures had been completed, all that needed to be done was to put to the test the entire concept behind atomic fission (splitting the atom). Over the course of six years, from 1939 to 1945, more than $2 billion was spent during the history of the Manhattan Project.
*The formulas for refining uranium and putting together a working atomic bomb were created and seen to their logical ends by some of the greatest minds of our time. Chief among the people who unleashed the power of the atom was Robert Oppenheimer, who oversaw the project from conception to completion.
*Finally, the day came when all at Los Alamos would find out if "The Gadget was going to be the colossal dud of the century or perhaps an Manhattan project Atomic bomb
*It all came down to a fateful morning in midsummer 1945 at 5:29:45 on July 16, 1945 in a white blaze that stretched from the basin of the Jemez Mountains in northern New Mexico to the still-dark skies "The Gadget" ushered in the Atomic Age.
*The light of the explosion then turned orange as the atomic fireball began shooting upwards at 360 feet per second, reddening and pulsing as it cooled. The characteristic mushroom cloud of radioactive vapor materialized at 30,000 feet. Beneath the cloud all that remained of the soil at the blast site were fragments of jade green radioactive glass created by the heat of the reaction.

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