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20 ώρες πριν · 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.
20 ώρες πριν · Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235 U than natural uranium. Natural uranium contains about 0.72% 235 U, while the DU used by the U.S. Department of Defense contains 0.3% 235 U or less. The less radioactive and non-fissile 238 U constitutes the main component of depleted uranium.
20 ώρες πριν · The army was officially established as the Ceylon Army in 1949, though the army traces its roots back in 1881 when Ceylon Light Infantry Volunteers was created; the army was renamed as the 'Sri Lanka Army' when Sri Lanka became a republic in 1972. In 2024, the Army had approximately 150,000 personnel. [2] [3]
20 ώρες πριν · James Harold Wilson, Baron Wilson of Rievaulx, KG, OBE, PC, FRS, FSS (11 March 1916 – 24 May 1995) was a British statesman and Labour Party politician who was Prime Minister of the United Kingdom twice, from 1964 to 1970 and again from 1974 to 1976. He was Leader of the Labour Party from 1963 to 1976, Leader of the Opposition twice from 1963 to 1964 and again from 1970 to 1974, and a Member ...
