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23 de mai. de 2024 · Sir John Douglas Cockcroft was a British physicist, joint winner, with Ernest T.S. Walton of Ireland, of the 1951 Nobel Prize for Physics for pioneering the use of particle accelerators in studying the atomic nucleus.
- The Editors of Encyclopaedia Britannica
Há 1 dia · Nuclear experiments began using a particle accelerator built by John Cockcroft and Ernest Walton at Ernest Rutherford 's Cavendish Laboratory at the University of Cambridge. In 1932, Walton produced the first man-made fission by using protons from the accelerator to split lithium into alpha particles. [5]
Há 2 dias · Located on the Ottawa River, it had access to abundant water. The first director of the new laboratory was Hans von Halban. He was replaced by John Cockcroft in May 1944, who was succeeded by Bennett Lewis in September 1946.
28 de mai. de 2024 · In July 1940, Britain had offered to give the United States access to its scientific research, [20] and the Tizard Mission 's John Cockcroft briefed American scientists on British developments. [21] He discovered that the American S-1 Project (later renamed the Manhattan Project) was smaller than the British, and not as far advanced ...
7 de mai. de 2024 · Cockcroft, Sir John Douglas: nd: IM/GA/WRS/8717: Cockcroft, Sir John Douglas: nd: PB/6/2/4/2: Folder inscribed 'Royal Society Evidence to Trend Committee' 1962: WF/95: Grant application from Churchill College, Cambridge to the Wolfson Foundation : 1963-1966: RR/65/67: Referee's report by John Douglas Cockcroft, on a paper 'The transfer effect ...
Há 4 dias · He did not like to share (unlike his scientific counterpart, John Cockcroft). In this particular instance, notably, he could be even more frank than normal, because he had just accepted a new job as head of a new monopoly electricity utility.
Há 3 dias · Lithium was used in 1932 as the target metal in the pioneering work of British physicist John Cockcroft and Irish physicist Ernest Walton in transmuting nuclei by artificially accelerated atomic particles; each lithium nucleus that absorbed a proton became two helium nuclei.
