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9 de jul. de 2024 · World War II - Hiroshima, Nagasaki, Atomic Bombs: On August 6, 1945, an atomic bomb was dropped on Hiroshima: the combined heat and blast pulverized everything in the explosion's immediate vicinity and immediately killed some 70,000 people (the death toll passed 100,000 by the end of the year). A second bomb, dropped on Nagasaki on August 9, killed between 35,000 and 40,000 people, injured a ...
Hace 3 días · J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈ ɒ p ən h aɪ m ər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist who served as the director of the Manhattan Project's Los Alamos Laboratory during World War II.He is often called the "father of the atomic bomb" for his role in overseeing the development of the first nuclear weapons.
Hace 3 días · Although Pakistan began the development of nuclear weapons in 1972, Pakistan responded to India's 1974 nuclear test (see Smiling Buddha) with a number of proposals for a nuclear-weapon-free zone to prevent a nuclear arms race in South Asia. [33] On many different occasions, India rejected the offer.
21 de jun. de 2024 · On August 9, 1945, three days after detonating a uranium-fueled atomic bomb over Hiroshima, Japan, the United States dropped a plutonium-fueled atomic bomb over the Japanese port of Nagasaki. (more) By the morning of August 9, 1945, Soviet troops had invaded Manchuria and Sakhalin Island, but there was still no word from the Japanese government ...
25 de jun. de 2024 · J. Robert Oppenheimer (born April 22, 1904, New York, New York, U.S.—died February 18, 1967, Princeton, New Jersey) was an American theoretical physicist and science administrator, noted as director of the Los Alamos Laboratory (1943–45) during development of the atomic bomb and as director of the Institute for Advanced Study, Princeton ...
1 de jul. de 2024 · atomic bomb: [noun] a bomb whose violent explosive power is due to the sudden release of energy resulting from the splitting of nuclei of a heavy chemical element (such as plutonium or uranium) by neutrons in a very rapid chain reaction — called also#R##N# atom bomb.
21 de jun. de 2024 · Fat Man, atomic bomb dropped on the city of Nagasaki, Japan, on August 9, 1945. Its use was the second and last time that nuclear weapons were employed in war. Fat Man was a plutonium implosion-type bomb. It had a spherical core of plutonium-239 surrounded by high explosives, the force of which pushed inward rather than outward on detonation.
