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Project Mogul (sometimes referred to as Operation Mogul) was a top secret project by the US Army Air Forces involving microphones flown on high-altitude balloons, whose primary purpose was long-distance detection of sound waves generated by Soviet atomic bomb tests. The project was carried out from 1947 until early 1949.
The atomic bomb explosion generated a windstorm several kilometers wide that carried ash, dust, and debris over the mountain ranges surrounding Nagasaki. Approximately 20 minutes after the bombing, a black rain with the consistency of mud or oil came down carrying radioactive material for one to two hours before turning clear. [227]
"Nuclear Explosions Explained" 1:35 Effects of atomic weapons 2. "The Warnings" 2:53 Attack, fall-out and all-clear warnings 3. "What to Do When the Warnings Sound" 2:28 "Immediate action" drill 4. "Stay at Home" 1:40 Techniques for sheltering in place 5. "Choosing a Fall-out Room" 2:06 Choosing a safe room 6. "Refuges" 3:54 Building an "inner ...
The short film Nuclear Test Film – Nuclear Testing Review (1945) is available for free viewing and download at the Internet Archive. Trinity's cloud (1945) , photographs of mushroom cloud Video of the site, original blast, and the ranch where the bomb was assembled from 2017
Caesium is released in bomb fallout and from the nuclear fuel cycle. A paper has been written on the radioactivity in oysters found in the Irish Sea , these were found by gamma spectroscopy to contain 141 Ce, 144 Ce, 103 Ru, 106 Ru, 137 Cs, 95 Zr and 95 Nb. [ citation needed ] In addition, a zinc activation product ( 65 Zn) was found, this is ...
In a chilling simulation released in North Korea, a nuclear bomb strikes the United States, creating a massive mushroom cloud.
The general population however was not warned of the heat or blast danger following an atomic flash, due to the new and unknown nature of the atomic bomb. Many people in Hiroshima and Nagasaki died while searching the skies, curious to locate the source of the brilliant flash.
The atomic bomb cloud over Nagasaki, Japan, was described in The Times of London of 13 August 1945 as a "huge mushroom of smoke and dust". On 9 September 1945, The New York Times published an eyewitness account of the Nagasaki bombing, written by William L. Laurence , the official newspaper correspondent of the Manhattan Project , who ...