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129,000–226,000. On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict. Japan surrendered to the Allies on 15 August, six days ...
- Fat Man
Early decisions. Robert Oppenheimer held conferences in...
- Yoshito Matsushige
Yoshito Matsushige (松重 美人, Matsushige Yoshito, January 2,...
- Atomic Bombs
A nuclear weapon is an explosive device that derives its...
- Shima Hospital
Shima Hospital (島病院, Shima byōin) is a Japanese hospital,...
- Radiation Sickness
Acute radiation syndrome (ARS), also known as radiation...
- Fat Man
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.The driving reaction may be nuclear fission or nuclear fusion or a multi-stage cascading combination of the two, though to date all fusion-based weapons have used a fission device to initiate fusion, and a pure fusion weapon remains a hypothetical device.
Much of the destruction caused by a nuclear explosion is due to blast effects. Most buildings, except reinforced or blast-resistant structures, will suffer moderate damage when subjected to overpressures of only 35.5 kilopascals (kPa) (5.15 pounds-force per square inch or 0.35 atm).
Jun 7, 2021 · Photograph of Hiroshima after the atomic bomb. (National Archives Identifier 22345671) The United States bombings of the Japanese cities of Hiroshima and Nagasaki on August 6 and August 9, 1945, were the first instances of atomic bombs used against humans, killing tens of thousands of people, obliterating the cities, and contributing to the end of World War II. The National Archives maintains ...
Nov 18, 2009 · On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima, immediately killing 80,000 people.
Aug 5, 2020 · In total, the August 6 and 9 bombings of Hiroshima and Nagasaki, respectively, killed more than 200,000 people. Six days after the second attack, Hirohito announced Japan’s unconditional ...
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Sep 3, 2018 · On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima, Japan. Three days later, on August 9, 1945, the US dropped a second atomic bomb on Nagasaki. These remain the ...
