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  2. Manhattan Project - Wikipedia

    en.wikipedia.org/wiki/Manhattan_Project

    Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...

  3. Demon core - Wikipedia

    en.wikipedia.org/wiki/Demon_core

    A re-creation of the experiment involved in the 1945 incident. The sphere of plutonium is surrounded by tungsten carbide blocks acting as neutron reflectors.. The demon core was a sphere of plutonium that was involved in two fatal radiation accidents when scientists tested it as a fissile core of an early atomic bomb.

  4. Nuclear and radiation accidents and incidents - Wikipedia

    en.wikipedia.org/wiki/Nuclear_and_radiation...

    Over thirty small communities were removed from Soviet maps between 1958 and 1991. [67] (INES level 6) [32] October 1957: Windscale fire, UK. Fire ignites a "plutonium pile" (an air cooled, graphite moderated, uranium fuelled reactor that was used for plutonium and isotope production) and contaminates surrounding dairy farms.

  5. Hanford Engineer Works - Wikipedia

    en.wikipedia.org/wiki/Hanford_Engineer_Works

    A major accident might result in loss of life and severe health effects, and Groves was concerned that even a minor one could disrupt vital war production – particularly of aluminum – or require evacuation of the Manhattan Project's isotope separation plants. But spreading the Oak Ridge facilities over a larger area would involve the ...

  6. Louis Slotin - Wikipedia

    en.wikipedia.org/wiki/Louis_Slotin

    Louis Alexander Slotin (/ ˈ s l oʊ t ɪ n / SLOHT-in; [1] 1 December 1910 – 30 May 1946) was a Canadian physicist and chemist who took part in the Manhattan Project.Born and raised in the North End of Winnipeg, Manitoba, Slotin earned both his Bachelor of Science and Master of Science degrees from the University of Manitoba, before obtaining his doctorate in physical chemistry at King's ...

  7. The Plutonium Files - Wikipedia

    en.wikipedia.org/wiki/The_Plutonium_Files

    From 1945 to 1947, 18 people were injected with plutonium by Manhattan project doctors. Ebb Cade was an unwilling participant in medical experiments that involved injection of 4.7 micrograms of plutonium on April 10, 1945 at Oak Ridge, Tennessee. [4] [5] This experiment was under the supervision of Harold Hodge. [6]

  8. High plutonium levels found near New Mexico neighborhood ...

    www.aol.com/high-plutonium-levels-found-near...

    On July 16, 1945, Manhattan Project staff conducted the first-ever nuclear test, which, according to the National Park Service, spread radioactive fallout over an area approximately 250 miles long ...

  9. Wikipedia : Featured topics/History of the Manhattan Project

    en.wikipedia.org/wiki/Wikipedia:Featured_topics/...

    Three methods were employed: electromagnetic in the calutrons, gaseous by the K-25 Project, and thermal by the S-50 Project. Most of this work was performed at the Clinton Engineer Works at Oak Ridge, Tennessee. Means for refining uranium were developed by the Ames Project. In parallel with the work on uranium was an effort to produce plutonium.