atomska bomba
Bomba čije strahovito razorno dejstvo počiva na jezgrenoj energiji, energiji čestica koje sačinjavaju sam atom.
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A-bomb
IPA: / eɪbɒm /Atomic bomb.
A nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
A-bomb · atom bomb · atomic bomb · fission bomb · plutonium bomb
atom bomb
IPA: / ˈætəm ˈbɑːm /A nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element such as uranium 235 or plutonium 239); SYN. atomic bomb, A-bomb, fission bomb, plutonium bomb.
A-bomb · atomic bomb · fission bomb · plutonium bomb
atomic bomb
IPA: / əˌtɒmɪk bɒm /Bomb deriving its explosive force from nuclear fission (see nuclear energy) as a result of a neutron chain reaction, developed in the 1940s in the US into a usable weapon.
Research began in the UK 1940 and was transferred to the US after its entry into World War II the following year. Known as the Manhattan Project, the work was carried out under the direction of the US physicist Robert Oppenheimer at Los Alamos, New Mexico. After one test explosion, two atomic bombs were dropped on the Japanese cities of Hiroshima (6 Aug 1945) and Nagasaki (9 Aug 1945); the bomb dropped on Hiroshima was as powerful as 12,700 metric tons of TNT, that on Nagaskai was equivalent to 22,000 metric tons of TNT. The USSR first detonated an atomic bomb 1949 and the UK 1952.