Résultats de recherche
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 after the bombing of Nagasaki and the Soviet Union's declaration of war against Japan and invasion of Japanese-occupied Manchuria.
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion.
6 sept. 2017 · Learn about the development, use and impact of atomic bombs in World War II and the Cold War. Explore the science, politics and consequences of nuclear weapons technology with HISTORY.
25 juin 2024 · atomic bomb, weapon with great explosive power that results from the sudden release of energy upon the splitting, or fission, of the nuclei of a heavy element such as plutonium or uranium. The properties and effects of atomic bombs. Fission. Sequence of events in the fission of a uranium nucleus by a neutron.
Hiroshima: Dropping The Bomb - Hiroshima - BBC. Discover key moments from history and stories about fascinating people on the Official BBC Documentary channel: http://bit.ly/BBCDocs_YouTube ...
21 juin 2024 · atomic bombings of Hiroshima and Nagasaki, during World War II, American bombing raids on the Japanese cities of Hiroshima (August 6, 1945) and Nagasaki (August 9, 1945) that marked the first use of atomic weapons in war.
Une bombe A, communément appelée bombe atomique, bombe à fission ou bombe nucléaire, est un engin explosif dans lequel la capacité offensive de la charge (composée d'une force de souffle, d'une hausse brutale et colossale de chaleur, ainsi que de radiations) est obtenue par la fission nucléaire d'un noyau suffisamment lourd pour atteindre une ma...
