Portal:Nuclear technology
The Nuclear Technology Portal
Introduction
- Nuclear technology is technology that involves the nuclear reactions of atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in smoke detectors and gun sights. (Full article...)
- Nuclear power is the use of nuclear reactions to produce electricity. Nuclear power can be obtained from nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of uranium and plutonium in nuclear power plants. Nuclear decay processes are used in niche applications such as radioisotope thermoelectric generators in some space probes such as Voyager 2. Generating electricity from fusion power remains the focus of international research. (Full article...)
- 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. Both bomb types release large quantities of energy from relatively small amounts of matter. (Full article...)
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Windscale Pile No. 1 became operational in October 1950 followed by Pile No. 2 in June 1951. They were intended to last five years, but operated for seven until shut down following the Windscale fire on 10 October 1957. Nuclear decommissioning operations commenced in the 1980s and are estimated to last beyond 2040. Visible changes have been seen as the chimneys were slowly dismantled from top-down; Pile 2's chimney being reduced to the height of adjacent buildings in the early 2000s. However, the demolition of pile 1 chimney has taken much longer as it was significantly contaminated after the 1957 fire. The reactor cores still remain to be dismantled. (Full article...)
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Did you know?
- ... that after journalist Adele Ferguson's criticism of the U.S. Navy's sex discrimination attracted nationwide attention, she was offered a personal tour of a nuclear submarine?
- ... that the British Tychon missile was developed from a Barnes Wallis concept to keep strike aircraft safe while dropping nuclear bombs?
- ... that Helen Steven shared the Gandhi International Peace Award for her opposition to the nuclear submarine base in Scotland?
- ... that during World War II, pilot G. E. Clements was removed from training for secret missions associated with the Manhattan Project when senior officers realized she was a woman?
- ... that coral cores from Flinders Reef capture environmental changes caused by the use of nuclear weapons?
- ... that under college president Arthur Bronwell in 1959, Worcester Polytechnic Institute built one of the first nuclear research reactors at an American university?
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Selected biography -
Charles Allen Thomas (February 15, 1900 – March 29, 1982) was a noted American chemist and businessman, and an important figure in the Manhattan Project. He held over 100 patents.
A graduate of Transylvania College and Massachusetts Institute of Technology, Thomas worked as a research chemist at General Motors as part of a team researching antiknock agents. This led to the development of tetraethyllead, which was widely used in motor fuels for many decades until its toxicity led to its prohibition. In 1926, he and Carroll A. "Ted" Hochwalt co-founded Thomas & Hochwalt Laboratories in Dayton, Ohio, with Thomas as president of the company. It was acquired by Monsanto in 1936, and Thomas would spend the rest of his career with Monsanto, rising to become its president in 1950, and chairman of the board from 1960 to 1965. He researched the chemistry of hydrocarbons and polymers, and developed the proton theory of aluminium chloride, which helped explain a variety of chemical reactions, publishing a book on the subject in 1941.
From 1943 to 1945, he coordinated Manhattan Project work on plutonium purification and production. He also coordinated development of techniques to industrially refine polonium for use with beryllium in the triggers of atomic weapons in the Manhattan Project's Dayton Project, part of which was conducted on the estate of his wife's family. Shortly before the war ended, he took over the management of the Clinton Laboratories in Oak Ridge, Tennessee. Monsanto pulled out of Oak Ridge in December 1947, but became the operator of the Mound Laboratories in 1948. Secretary of State Dean Acheson appointed Thomas to serve on a 1946 panel to appraise international atomic inspection, which culminated in the Acheson–Lilienthal Report. In 1953 he was appointed as a consultant to the National Security Council, and served as U.S. Representative to the United Nations Atomic Energy Commission. (Full article...)
Nuclear technology news
- 14 May 2024 –
- Russia places its nuclear capable submarine-launched Bulava intercontinental ballistic missile into service. (Reuters)
- 9 May 2024 – Joint Comprehensive Plan of Action, Iran–Israel relations
- Iran warns that it will build a nuclear weapon if Israel continues to target its nuclear facilities. (Al Jazeera)
- 25 April 2024 – Russia–NATO relations
- Russian Deputy Foreign Minister Sergei Ryabkov warns that Russia will make NATO nuclear weapons in Poland one of its primary targets if they are deployed there. (The Jerusalem Post)
- 23 April 2024 – North Korea and weapons of mass destruction
- North Korea claims that it tested a new command-and-control system in a simulated nuclear counterstrike. (CNN)
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