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Nuclear technology

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large scale nuclear energy production facilities or it is repurposed/recycled for other energy uses. Proponents of nuclear energy also bring to attention the opportunity cost of utilizing other forms of electricity. For example, the Environmental Protection Agency estimates that coal kills 30,000 people a year, as a result of its environmental impact, while 60 people died in the Chernobyl disaster. A real world example of impact provided by proponents of nuclear energy is the 650,000 ton increase in carbon emissions in the two months following the closure of the Vermont Yankee nuclear plant.
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time, for new concerns. The treatment of solid food by ionizing radiation can provide an effect similar to heat pasteurization of liquids, such as milk. However, the use of the term, cold pasteurization, to describe irradiated foods is controversial, because pasteurization and irradiation are fundamentally different processes, although the intended end results can in some cases be similar.
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Nuclear power is a type of nuclear technology involving the controlled use of nuclear fission to release energy for work including propulsion, heat, and the generation of electricity. Nuclear energy is produced by a controlled nuclear chain reaction which creates heat—and which is used to boil water,
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Food irradiation is essentially a non-nuclear technology; it relies on the use of ionizing radiation which may be generated by accelerators for electrons and conversion into bremsstrahlung, but which may use also gamma-rays from nuclear decay. There is a worldwide industry for processing by ionizing
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The specialty of processing food by ionizing radiation is the fact, that the energy density per atomic transition is very high, it can cleave molecules and induce ionization (hence the name) which cannot be achieved by mere heating. This is the reason for new beneficial effects, however at the same
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that gives rise to a small constant current. One is closed and serves for comparison, the other is open to ambient air; it has a gridded electrode. When smoke enters the open chamber, the current is disrupted as the smoke particles attach to the charged ions and restore them to a neutral electrical
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In natural nuclear radiation, the byproducts are very small compared to the nuclei from which they originate. Nuclear fission is the process of splitting a nucleus into roughly equal parts, and releasing energy and neutrons in the process. If these neutrons are captured by another unstable nucleus,
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is more complicated than it might seem. Such a weapon must hold one or more subcritical fissile masses stable for deployment, then induce criticality (create a critical mass) for detonation. It also is quite difficult to ensure that such a chain reaction consumes a significant fraction of the fuel
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for life. Microorganisms can no longer proliferate and continue their malignant or pathogenic activities. Spoilage causing micro-organisms cannot continue their activities. Insects do not survive or become incapable of procreation. Plants cannot continue the natural ripening or aging process. All
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is a type of nuclear weapon designed to distribute hazardous nuclear material in enemy areas. Such a weapon would not have the explosive capability of a fission or fusion bomb, but would kill many people and contaminate a large area. A radiological weapon has never been deployed. While considered
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Proponents of nuclear energy note that annually, nuclear-generated electricity reduces 470 million metric tons of carbon dioxide emissions that would otherwise come from fossil fuels. Additionally, the amount of comparatively low waste that nuclear energy does create is safely disposed of by the
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is a more general term of deliberate exposure of materials to radiation to achieve a technical goal (in this context 'ionizing radiation' is implied). As such it is also used on non-food items, such as medical hardware, plastics, tubes for gas-pipelines, hoses for floor-heating, shrink-foils for
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entitled "Irradiated Foods" states: "The types of radiation sources approved for the treatment of foods have specific energy levels well below that which would cause any element in food to become radioactive. Food undergoing irradiation does not become any more radioactive than luggage passing
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Level indicators: Source and detector are placed at opposite sides of a container, indicating the presence or absence of material in the horizontal radiation path. Beta or gamma sources are used, depending on the thickness and the density of the material to be measured. The method is used for
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larger than 1 mean that the fission reaction is releasing more neutrons than it absorbs, and therefore is referred to as a self-sustaining chain reaction. A mass of fissile material large enough (and in a suitable configuration) to induce a self-sustaining chain reaction is called a
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that might be present in the food. The radiation sources used include radioisotope gamma ray sources, X-ray generators and electron accelerators. Further applications include sprout inhibition, delay of ripening, increase of juice yield, and improvement of re-hydration.
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is used to help predict the commercial viability of new or existing wells. The technology involves the use of a neutron or gamma-ray source and a radiation detector which are lowered into boreholes to determine the properties of the surrounding rock such as porosity and
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The amount of energy imparted for effective food irradiation is low compared to cooking the same; even at a typical dose of 10 kGy most food, which is (with regard to warming) physically equivalent to water, would warm by only about 2.5 Â°C (4.5 Â°F).
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When a neutron is captured by a suitable nucleus, fission may occur immediately, or the nucleus may persist in an unstable state for a short time. If there are enough immediate decays to carry on the chain reaction, the mass is said to be
1364:. The earthquake and tsunami on March 11, 2011 caused serious damage to three nuclear reactors and a spent fuel storage pond at the Fukushima Daiichi nuclear power plant in Japan. Military reactors that experienced similar accidents were 1007:
are used, sometimes attached to organic molecules, to act as radioactive tracers or contrast agents in the human body. Positron emitting nucleotides are used for high resolution, short time span imaging in applications known as
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radiation, the majority by number and by processing power using accelerators. Food irradiation is only a niche application compared to medical supplies, plastic materials, raw materials, gemstones, cables and wires, etc.
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to make images of the inside of the human body using x-rays. This is the largest artificial source of radiation exposure for humans. Medical and dental x-ray imagers use of cobalt-60 or other x-ray sources. A number of
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and inspection. The piece to be radiographed is placed between the source and a photographic film in a cassette. After a certain exposure time, the film is developed and it shows any internal defects of the material.
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In 1951, the first nuclear fission power plant was the first to produce electricity at the Experimental Breeder Reactor No. 1 (EBR-1), in Arco, Idaho, ushering in the "Atomic Age" of more intensive human energy use.
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Thickness gauges: if the material is of constant density, the signal measured by the radiation detector depends on the thickness of the material. This is useful for continuous production, like of paper, rubber,
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possesses an isotope that is sufficiently unstable for this process to be usable. Terrestrial plutonium does not currently occur naturally in sufficient quantities for such use, so it must be manufactured in a
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in Japan. In the 1950s through 1970s, several nuclear bombs were lost from submarines and aircraft, some of which have never been recovered. The last twenty years have seen a marked decline in such accidents.
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Of course, these natural processes of astrophysics are not examples of nuclear "technology". Because of the very strong repulsion of nuclei, fusion is difficult to achieve in a controlled fashion.
341:, which is highly radioactive. They discovered that radioactive materials produce intense, penetrating rays of three distinct sorts, which they labeled alpha, beta, and gamma after the first three 1767: 681:) investigated it as a method to build a bomb. The project abandoned fusion after concluding that it would require a fission reaction to detonate. It took until 1952 for the first full 1850:
Bennett, James E.; Tamura-Wicks, Helen; Parks, Robbie M.; Burnett, Richard T.; Pope, C. Arden; Bechle, Matthew J.; Marshall, Julian D.; Danaei, Goodarz; Ezzati, Majid (July 23, 2019).
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as a result of their exposure. Radioactive patent medicines mostly disappeared, but other applications of radioactive materials persisted, such as the use of radium salts to produce
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Food irradiation is currently permitted by over 40 countries and volumes are estimated to exceed 500,000 metric tons (490,000 long tons; 550,000 short tons) annually worldwide.
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test in 1954 produced a larger yield than expected, which contaminated nearby islands, a Japanese fishing boat (with one fatality), and raised concerns about contaminated
1326:. Unlike conventional weapons, the intense light, heat, and explosive force is not the only deadly component to a nuclear weapon. Approximately half of the deaths from 345:. Some of these kinds of radiation could pass through ordinary matter, and all of them could be harmful in large amounts. All of the early researchers received various 3423: 674:. Technical and theoretical difficulties have hindered the development of working civilian fusion technology, though research continues to this day around the world. 310:, and not nuclear reactions. This is because atomic nuclei are generally kept apart because they contain positive electrical charges and therefore repel each other. 1126:
in rifle sights to increase nighttime firing accuracy. Some runway markers and building exit signs use the same technology, to remain illuminated during blackouts.
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is also more difficult than it might seem, since sufficiently unstable substances for this process do not currently occur naturally on Earth in suitable amounts.
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However, if the mass is critical only when the delayed neutrons are included, then the reaction can be controlled, for example by the introduction or removal of
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to be built. Fast neutrons are not easily captured by nuclei; they must be slowed (slow neutrons), generally by collision with the nuclei of a
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Adding a tracer to the surface of the component of a motor makes it possible to measure wear by measuring the activity of the lubricating oil.
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can be placed close to the material at the end of the production line. The source ionizes the air to remove electric charges on the material.
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refers to the more serious hazard of releasing nuclear material into the surrounding environment. The most significant meltdowns occurred at
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in 1996 (which had as of 2011 not entered into force), all of these states have pledged to discontinue all nuclear testing. Non-signatories
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Since some ionizing radiation can penetrate matter, they are used for a variety of measuring methods. X-rays and gamma rays are used in
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Nuclear accidents, because of the powerful forces involved, are often very dangerous. Historically, the first incidents involved fatal
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Nuclear fusion was initially pursued only in theoretical stages during World War II, when scientists on the Manhattan Project (led by
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As the atom came to be better understood, the nature of radioactivity became clearer. Some larger atomic nuclei are unstable, and so
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However, the tremendous energy release in the detonation of a nuclear weapon also suggested the possibility of a new energy source.
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state. This reduces the current in the open chamber. When the current drops below a certain threshold, the alarm is triggered.
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accidents primarily involve nuclear power plants. Most common are nuclear leaks that expose workers to hazardous material. A
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obtain their enormous destructive power from fusion, but their energy cannot be controlled. Controlled fusion is achieved in
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It has also become clear that the ultimate source of most terrestrial energy is nuclear, either through radiation from the
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of tools and equipment. An advantage is that the object may be sealed in plastic before sterilization. An emerging use in
897: 120: 3785: 1805:; tutorial presented to the International Meeting on Radiation Processing. Kuala Lumpur. 2006. last visited 2007-11-16. 1569: 3623: 3360: 3069: 2823: 2320: 1734:"IRRADIATED FOODS Fifth Edition Revised and updated by Paisan Loaharanu May 2003 AMERICAN COUNCIL ON SCIENCE AND HEALTH" 1009: 3807: 3773: 3686: 3658: 3615: 3580: 3418: 3245: 3183: 3008: 2912: 2798: 2266: 1966: 912: 893: 724: 1852:"Particulate matter air pollution and national and county life expectancy loss in the USA: A spatiotemporal analysis" 1539: 1185:, where male insects are sterilized by radiation and released, so they have no offspring, to reduce the population. 958:
produce steam, and drive a steam turbine. The turbine is used to generate electricity and/or to do mechanical work.
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Currently nuclear power provides approximately 15.7% of the world's electricity (in 2004) and is used to propel
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were developed as well, though they were primarily for weapons manufacture and did not generate electricity.
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Curtin University of Technology. Archived from the original on 18 December 2007. Retrieved 15 January 2008.
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manufactured nuclear weapons based on each of these elements. They detonated the first nuclear weapon in a
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anon., Food Irradiation - A technique for preserving and improving the safety of food, WHO, Geneva, 1991
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which resulted from her high levels of exposure. Two scientists, an American and Canadian respectively,
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Adding a gamma tracer to a gas or liquid in a closed system makes it possible to find a hole in a tube.
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The medical applications of nuclear technology are divided into diagnostics and radiation treatment.
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and nuclear technology – production, research, development, distribution, and information
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use fission. No man-made fusion reaction has resulted in a viable source of electricity.
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than fission reactions, but starting the fusion chain reaction is much more difficult.
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The genuine effect of processing food by ionizing radiation relates to damages to the
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conducted since 1945. In 1963, all nuclear and many non-nuclear states signed the
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The development of food irradiation in the Asia Pacific, the Americas and Europe
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A nuclear weapon is an explosive device that derives its destructive force from
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Proceedings of the National Academy of Sciences of the United States of America
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Gradually it was realized that the radiation produced by radioactive decay was
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these effects are beneficial to the consumer and the food industry, likewise.
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began investigating the phenomenon. In the process, they isolated the element
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or by radioactive decay of uranium within the Earth, the principal source of
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The new phenomenon of radioactivity was seized upon by the manufacturers of
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usually involve the loss or unexpected detonation of nuclear weapons. The
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Detractors of food irradiation have concerns about the health hazards of
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that Becquerel and the Curies discovered are also more fully understood.
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logo, used to show that a food has been treated with ionizing radiation.
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Nuclear weapons are the most destructive weapons known - the archetypal
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useless by a conventional military, such a weapon raises concerns over
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component to a nuclear weapon. Approximately half of the deaths from
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The vast majority of common, natural phenomena on Earth only involve
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on August 6, 1945, followed three days later by the plutonium-based
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through an airport X-ray scanner or teeth that have been X-rayed."
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bomb to be detonated, so-called because it used reactions between
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salts when he discovered a new phenomenon which came to be called
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is the most familiar piece of nuclear technology for some people.
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to make images of the inside of solid products, as a means of
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died two to five years afterward from radiation exposure. A
693:. Fusion reactions are much more energetic per unit mass of 1951:– U.S. Government source of isotopes for basic and applied 1188:
In industrial and food applications, radiation is used for
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died two to five years afterward from radiation exposure.
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and treatments involving radioactivity were put forward.
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of detonation would work, which it did. A uranium bomb,
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Nuclear Energy Institute – Beneficial Uses of Radiation
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to develop increasingly destructive bombs to provide a
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Technology that involves the reactions of atomic nuclei
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Lists of nuclear disasters and radioactive incidents
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Food irradiation is the process of exposing food to
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before the device flies apart. The procurement of a
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A report for the industry advocacy group 670:has proven elusive, despite the occasional 64:Learn how and when to remove these messages 3590: 3401: 3333: 3217: 3167: 3160: 2936: 2762: 2749: 2578: 2425: 2288: 1997: 1981: 1967: 1959: 275:. It is also used, among other things, in 1877: 1867: 1637: 1627: 226:Learn how and when to remove this message 161:Learn how and when to remove this message 203:of all important aspects of the article. 1902:"Nuclear Power and Energy Independence" 1702:from the original on September 21, 2017 1470: 488:they can fission as well, leading to a 3351:Liquid-fluoride thorium reactor (LFTR) 1672:from the original on February 14, 2013 1489:from the original on September 4, 2017 1274:American Council on Science and Health 199:Please consider expanding the lead to 3356:Molten-Salt Reactor Experiment (MSRE) 1765:NUCLEUS - Food Irradiation Clearances 1574:Radiation Effects Research Foundation 908:last tested nuclear weapons in 1998. 888:in the atmosphere, underwater, or in 7: 3780: 1719: 1717: 1139:includes a tiny mass of radioactive 99:adding citations to reliable sources 3361:Integral Molten Salt Reactor (IMSR) 1949:National Isotope Development Center 1602:Schull, William J. (May 12, 1998). 1519:from the original on April 23, 2018 1196:is the sterilization of food using 2321:Positron-emission tomography (PET) 1395:Examples of environmental benefits 25: 2344:Neutron capture therapy of cancer 2243:Radioisotope thermoelectric (RTG) 1783:Food irradiation, Position of ADA 607:, which derive their energy from 287:History and scientific background 45:This article has multiple issues. 3779: 3768: 3767: 3755: 3444:Fast Breeder Test Reactor (FBTR) 1479:"Henri Becquerel - Biographical" 1424: 1410: 719:or a combination of fission and 552:. During the project, the first 255:is technology that involves the 177: 75: 34: 2533:Historical stockpiles and tests 1570:"Frequently Asked Questions #1" 1509:"A Brief History of Technology" 1294:Nuclear and radiation accidents 1157:Food processing and agriculture 467:stellar thermonuclear reactions 191:may be too short to adequately 86:needs additional citations for 53:or discuss these issues on the 3434:Energy Multiplier Module (EM2) 2316:Single-photon emission (SPECT) 1837:"Radioactive Waste Management" 1169:, radiation is used to induce 1135:Smoke detector: An ionization 516:When discovered on the eve of 406:is when a nucleus releases an 201:provide an accessible overview 1: 3762:Nuclear technology portal 1455:Outline of nuclear technology 1322:, died after mishandling the 1074:the radioactivity. Examples: 898:Comprehensive Test Ban Treaty 852:followed on October 2, 1952; 754:based on the weight of three 3624:Field-reversed configuration 3234:Uranium Naturel Graphite Gaz 1869:10.1371/journal.pmed.1002856 1010:Positron emission tomography 856:, on February 13, 1960; and 368:, earlier), and a number of 353:, and thought little of it. 3581:Aircraft Reactor Experiment 2528:States with nuclear weapons 1692:"ISU Health Physics Radinf" 1143:-241, which is a source of 913:weapons of mass destruction 894:underground nuclear testing 884:, pledging to refrain from 765:Alternatively, the element 725:weapons of mass destruction 360:(as had the discoveries of 3824: 3419:Liquid-metal-cooled (LMFR) 2543:Tests in the United States 1291: 984: 953:Nuclear reactor technology 946: 732:design of a nuclear weapon 704: 591:Timeline of nuclear fusion 588: 582: 480: 295: 3749: 3604: 3544:Stable Salt Reactor (SSR) 3439:Reduced-moderation (RMWR) 3404: 3246:Advanced gas-cooled (AGR) 2776: 2761: 2748: 1996: 1418:Nuclear technology portal 637:supernova nucleosynthesis 444:electromagnetic radiation 3449:Dual fluid reactor (DFR) 3065:Steam-generating (SGHWR) 2401:Electron-beam processing 1537:"Oklo Fossil Reactors". 1183:sterile insect technique 878:over 2,000 nuclear tests 3564:Organic nuclear reactor 2736:Nuclear power phase-out 2659:Nuclear decommissioning 2599:Reactor-grade plutonium 2349:Targeted alpha-particle 2228:Accidents and incidents 1629:10.1073/pnas.95.10.5437 1105:Commercial applications 1086:Oil and Gas Exploration 1023:Industrial applications 892:. The treaty permitted 886:testing nuclear weapons 882:Limited Test Ban Treaty 762:(isolate) uranium-235. 617:stellar nucleosynthesis 389:glowing dials on meters 381:severe long-term hazard 1540:"Oklo Fossil Reactors" 1376:in the United States. 1328:Hiroshima and Nagasaki 1212: 1033:nondestructive testing 1029:industrial radiography 862:Hiroshima and Nagasaki 619:, the light elements ( 567:. This is what allows 249: 2726:Anti-nuclear movement 1746:on September 26, 2011 1580:on September 19, 2007 1270:induced radioactivity 1206: 1056:Electrostatic control 985:Further information: 947:Further information: 805:, was dropped on the 758:must be performed to 652:particle accelerators 615:. They form, through 532:with the help of the 243: 3634:Reversed field pinch 3429:Traveling-wave (TWR) 2913:Supercritical (SCWR) 2411:Gemstone irradiation 1546:on December 18, 2007 1450:Nuclear power debate 1219:in order to destroy 1116:tritium illumination 1005:radiopharmaceuticals 981:Medical applications 975:nuclear power plants 846:first fission weapon 426:is the release of a 110:"Nuclear technology" 95:improve this article 2799:Aqueous homogeneous 2594:Reprocessed uranium 2267:Safety and security 1904:. October 22, 2008. 1696:www.physics.isu.edu 1620:1998PNAS...95.5437S 1324:same plutonium mass 1254:genetic information 1067:Radioactive tracers 1000:medical radiography 866:radiological weapon 654:; this is how many 3808:Nuclear technology 3713:Dense plasma focus 2628:Actinide chemistry 2093:Isotope separation 1990:Nuclear technology 1944:Nuclear Technology 1788:2016-02-16 at the 1770:2008-05-26 at the 1380:Military accidents 1304:radiation exposure 1217:ionizing radiation 1213: 752:isotope separation 656:synthetic elements 418:, equivalent to a 377:ionizing radiation 317:was investigating 253:Nuclear technology 250: 18:Nuclear Technology 3795: 3794: 3745: 3744: 3741: 3740: 3692:Magnetized-target 3589: 3588: 3552: 3551: 3383: 3382: 3379: 3378: 3323: 3322: 3207: 3206: 3139: 3138: 2744: 2743: 2699: 2698: 2568: 2567: 2555:Weapon-free zones 2382: 2381: 2374:Radiopharmacology 1666:world-nuclear.org 1614:(10): 5437–5441. 1347:Three Mile Island 1177:. Another use in 1111:radioluminescence 1099:Road Construction 1017:radiation therapy 963:aircraft carriers 915:. Throughout the 871:nuclear terrorism 838:nuclear deterrent 779:Manhattan Project 713:nuclear reactions 573:neutron moderator 565:neutron absorbers 526:Manhattan Project 471:geothermal energy 257:nuclear reactions 236: 235: 228: 218: 217: 171: 170: 163: 145: 68: 16:(Redirected from 3815: 3783: 3782: 3771: 3770: 3760: 3759: 3758: 3670: 3629:Levitated dipole 3599: 3591: 3539:Helium gas (GFR) 3402: 3397: 3334: 3218: 3168: 3161: 3156: 3155: 2937: 2933: 2932: 2771: 2763: 2755:Nuclear reactors 2750: 2649:High-level (HLW) 2579: 2426: 2406:Food irradiation 2396:Atomic gardening 2289: 2272:Nuclear meltdown 2098:Nuclear material 2088:Fissile material 2083:Fertile material 1998: 1983: 1976: 1969: 1960: 1927: 1926: 1924: 1922: 1912: 1906: 1905: 1898: 1892: 1891: 1881: 1871: 1847: 1841: 1840: 1839:. February 2022. 1833: 1827: 1826: 1824: 1822: 1812: 1806: 1799: 1793: 1780: 1774: 1762: 1756: 1755: 1753: 1751: 1745: 1739:. Archived from 1738: 1730: 1724: 1721: 1712: 1711: 1709: 1707: 1688: 1682: 1681: 1679: 1677: 1658: 1652: 1651: 1641: 1631: 1599: 1590: 1589: 1587: 1585: 1576:. Archived from 1566: 1557: 1555: 1553: 1551: 1542:. Archived from 1535: 1529: 1528: 1526: 1524: 1505: 1499: 1498: 1496: 1494: 1475: 1434: 1429: 1428: 1420: 1415: 1414: 1413: 1343:nuclear meltdown 1198:food irradiation 1175:atomic gardening 987:Nuclear medicine 876:There have been 799:implosion method 777:Ultimately, the 658:are produced. A 569:nuclear reactors 554:fission reactors 456:certain elements 450:, and therefore 430:, a high-energy 370:patent medicines 308:electromagnetism 269:nuclear medicine 265:nuclear reactors 231: 224: 213: 210: 204: 181: 173: 166: 159: 155: 152: 146: 144: 103: 79: 71: 60: 38: 37: 30: 21: 3823: 3822: 3818: 3817: 3816: 3814: 3813: 3812: 3798: 3797: 3796: 3791: 3756: 3754: 3737: 3701: 3668: 3653: 3610: 3600: 3595: 3585: 3548: 3453: 3398: 3391: 3390: 3375: 3319: 3250: 3225: 3203: 3175: 3157: 3150: 3149: 3148: 3135: 3101: 3092: 3074: 3039: 3030: 2944: 2927: 2926: 2925: 2917: 2831:Natural fission 2785: 2784: 2772: 2767: 2757: 2740: 2716:Nuclear weapons 2695: 2654:Low-level (LLW) 2632: 2564: 2516: 2415: 2378: 2325: 2278: 2199: 2131: 2054: 1992: 1987: 1953:nuclear science 1935: 1930: 1920: 1918: 1914: 1913: 1909: 1900: 1899: 1895: 1862:(7): e1002856. 1849: 1848: 1844: 1835: 1834: 1830: 1820: 1818: 1814: 1813: 1809: 1800: 1796: 1790:Wayback Machine 1781: 1777: 1772:Wayback Machine 1763: 1759: 1749: 1747: 1743: 1736: 1732: 1731: 1727: 1722: 1715: 1705: 1703: 1690: 1689: 1685: 1675: 1673: 1660: 1659: 1655: 1601: 1600: 1593: 1583: 1581: 1568: 1567: 1560: 1549: 1547: 1538: 1536: 1532: 1522: 1520: 1507: 1506: 1502: 1492: 1490: 1477: 1476: 1472: 1468: 1430: 1423: 1416: 1411: 1409: 1406: 1397: 1312:aplastic anemia 1300: 1292:Main articles: 1290: 1194:food production 1159: 1145:alpha radiation 1107: 1025: 989: 983: 955: 945: 940: 928:The Atomic Cafe 922:Dr. Strangelove 772:nuclear reactor 709: 703: 701:Nuclear weapons 593: 587: 581: 511:prompt critical 485: 483:Nuclear fission 479: 477:Nuclear fission 410:, which is two 347:radiation burns 319:phosphorescence 315:Henri Becquerel 300: 298:Nuclear physics 294: 289: 277:smoke detectors 273:nuclear weapons 232: 221: 220: 219: 214: 208: 205: 198: 186:This article's 182: 167: 156: 150: 147: 104: 102: 92: 80: 39: 35: 28: 23: 22: 15: 12: 11: 5: 3821: 3819: 3811: 3810: 3800: 3799: 3793: 3792: 3790: 3789: 3777: 3765: 3750: 3747: 3746: 3743: 3742: 3739: 3738: 3736: 3735: 3730: 3725: 3723:Muon-catalyzed 3720: 3715: 3709: 3707: 3703: 3702: 3700: 3699: 3694: 3689: 3684: 3683: 3682: 3672: 3663: 3661: 3655: 3654: 3652: 3651: 3646: 3641: 3636: 3631: 3626: 3620: 3618: 3612: 3611: 3605: 3602: 3601: 3594: 3587: 3586: 3584: 3583: 3578: 3577: 3576: 3571: 3560: 3558: 3554: 3553: 3550: 3549: 3547: 3546: 3541: 3536: 3531: 3530: 3529: 3524: 3519: 3514: 3509: 3504: 3499: 3494: 3489: 3484: 3479: 3474: 3463: 3461: 3455: 3454: 3452: 3451: 3446: 3441: 3436: 3431: 3426: 3421: 3416: 3414:Integral (IFR) 3411: 3405: 3399: 3388: 3385: 3384: 3381: 3380: 3377: 3376: 3374: 3373: 3368: 3363: 3358: 3353: 3348: 3342: 3340: 3331: 3325: 3324: 3321: 3320: 3318: 3317: 3316: 3315: 3310: 3309: 3308: 3303: 3298: 3293: 3278: 3273: 3272: 3271: 3260: 3258: 3252: 3251: 3249: 3248: 3243: 3238: 3229: 3227: 3223: 3215: 3209: 3208: 3205: 3204: 3202: 3201: 3196: 3191: 3186: 3180: 3178: 3173: 3165: 3158: 3144: 3141: 3140: 3137: 3136: 3134: 3133: 3132: 3131: 3126: 3121: 3116: 3105: 3103: 3099: 3094: 3093: 3091: 3090: 3084: 3082: 3076: 3075: 3073: 3072: 3067: 3062: 3061: 3060: 3055: 3044: 3042: 3037: 3032: 3031: 3029: 3028: 3027: 3026: 3021: 3016: 3011: 3006: 3005: 3004: 2999: 2994: 2984: 2979: 2978: 2977: 2972: 2969: 2966: 2963: 2949: 2947: 2942: 2934: 2919: 2918: 2916: 2915: 2910: 2909: 2908: 2905: 2900: 2895: 2894: 2893: 2888: 2878: 2873: 2868: 2863: 2858: 2853: 2848: 2843: 2833: 2828: 2827: 2826: 2821: 2816: 2811: 2801: 2795: 2793: 2787: 2786: 2778: 2777: 2774: 2773: 2766: 2759: 2758: 2753: 2746: 2745: 2742: 2741: 2739: 2738: 2733: 2731:Uranium mining 2728: 2723: 2718: 2713: 2707: 2705: 2701: 2700: 2697: 2696: 2694: 2693: 2688: 2687: 2686: 2681: 2671: 2666: 2661: 2656: 2651: 2646: 2640: 2638: 2634: 2633: 2631: 2630: 2625: 2624: 2623: 2613: 2608: 2607: 2606: 2604:Minor actinide 2601: 2596: 2585: 2583: 2576: 2570: 2569: 2566: 2565: 2563: 2562: 2557: 2552: 2547: 2546: 2545: 2540: 2530: 2524: 2522: 2518: 2517: 2515: 2514: 2513: 2512: 2502: 2497: 2496: 2495: 2490: 2480: 2475: 2470: 2469: 2468: 2458: 2453: 2448: 2443: 2438: 2432: 2430: 2423: 2417: 2416: 2414: 2413: 2408: 2403: 2398: 2392: 2390: 2384: 2383: 2380: 2379: 2377: 2376: 2371: 2366: 2361: 2356: 2351: 2346: 2341: 2335: 2333: 2327: 2326: 2324: 2323: 2318: 2313: 2308: 2303: 2301:Autoradiograph 2297: 2295: 2286: 2280: 2279: 2277: 2276: 2275: 2274: 2264: 2263: 2262: 2252: 2251: 2250: 2240: 2235: 2230: 2225: 2220: 2215: 2209: 2207: 2201: 2200: 2198: 2197: 2192: 2187: 2182: 2177: 2172: 2167: 2162: 2157: 2152: 2147: 2141: 2139: 2133: 2132: 2130: 2129: 2128: 2127: 2122: 2117: 2116: 2115: 2110: 2095: 2090: 2085: 2080: 2075: 2070: 2064: 2062: 2056: 2055: 2053: 2052: 2051: 2050: 2045: 2035: 2030: 2025: 2023:Atomic nucleus 2020: 2015: 2010: 2004: 2002: 1994: 1993: 1988: 1986: 1985: 1978: 1971: 1963: 1957: 1956: 1946: 1941: 1934: 1933:External links 1931: 1929: 1928: 1907: 1893: 1842: 1828: 1807: 1794: 1775: 1757: 1725: 1713: 1683: 1653: 1591: 1558: 1530: 1500: 1483:nobelprize.org 1469: 1467: 1464: 1463: 1462: 1457: 1452: 1447: 1442: 1436: 1435: 1421: 1405: 1402: 1396: 1393: 1370:United Kingdom 1316:Harry Daghlian 1298:Nuclear safety 1289: 1286: 1243:food packaging 1221:microorganisms 1179:insect control 1158: 1155: 1154: 1153: 1137:smoke detector 1133: 1127: 1113: 1106: 1103: 1083: 1082: 1079: 1053: 1052: 1048: 1024: 1021: 982: 979: 944: 941: 939: 936: 850:United Kingdom 844:detonated its 830:these bombings 707:Nuclear weapon 705:Main article: 702: 699: 664:neutron source 648:Hydrogen bombs 597:nuclear fusion 585:Nuclear fusion 583:Main article: 580: 579:Nuclear fusion 577: 534:United Kingdom 490:chain reaction 481:Main article: 478: 475: 408:alpha particle 358:quack medicine 296:Main article: 293: 290: 288: 285: 246:smoke detector 244:A residential 234: 233: 216: 215: 195:the key points 185: 183: 176: 169: 168: 83: 81: 74: 69: 43: 42: 40: 33: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3820: 3809: 3806: 3805: 3803: 3788: 3787: 3778: 3776: 3775: 3766: 3764: 3763: 3752: 3751: 3748: 3734: 3731: 3729: 3726: 3724: 3721: 3719: 3716: 3714: 3711: 3710: 3708: 3704: 3698: 3695: 3693: 3690: 3688: 3685: 3681: 3680:electrostatic 3678: 3677: 3676: 3673: 3671: 3665: 3664: 3662: 3660: 3656: 3650: 3647: 3645: 3642: 3640: 3637: 3635: 3632: 3630: 3627: 3625: 3622: 3621: 3619: 3617: 3613: 3609: 3603: 3598: 3592: 3582: 3579: 3575: 3572: 3570: 3567: 3566: 3565: 3562: 3561: 3559: 3555: 3545: 3542: 3540: 3537: 3535: 3532: 3528: 3525: 3523: 3520: 3518: 3515: 3513: 3510: 3508: 3505: 3503: 3500: 3498: 3495: 3493: 3490: 3488: 3485: 3483: 3480: 3478: 3475: 3473: 3470: 3469: 3468: 3465: 3464: 3462: 3460: 3459:Generation IV 3456: 3450: 3447: 3445: 3442: 3440: 3437: 3435: 3432: 3430: 3427: 3425: 3422: 3420: 3417: 3415: 3412: 3410: 3409:Breeder (FBR) 3407: 3406: 3403: 3400: 3395: 3386: 3372: 3369: 3367: 3364: 3362: 3359: 3357: 3354: 3352: 3349: 3347: 3344: 3343: 3341: 3339: 3335: 3332: 3330: 3326: 3314: 3311: 3307: 3304: 3302: 3299: 3297: 3294: 3292: 3289: 3288: 3287: 3284: 3283: 3282: 3279: 3277: 3274: 3270: 3267: 3266: 3265: 3262: 3261: 3259: 3257: 3253: 3247: 3244: 3242: 3239: 3237: 3235: 3231: 3230: 3228: 3226: 3219: 3216: 3214: 3210: 3200: 3197: 3195: 3192: 3190: 3187: 3185: 3182: 3181: 3179: 3177: 3169: 3166: 3162: 3159: 3154: 3147: 3142: 3130: 3127: 3125: 3122: 3120: 3117: 3115: 3112: 3111: 3110: 3107: 3106: 3104: 3102: 3095: 3089: 3086: 3085: 3083: 3081: 3077: 3071: 3068: 3066: 3063: 3059: 3056: 3054: 3051: 3050: 3049: 3046: 3045: 3043: 3041: 3033: 3025: 3022: 3020: 3017: 3015: 3012: 3010: 3007: 3003: 3000: 2998: 2995: 2993: 2990: 2989: 2988: 2985: 2983: 2980: 2976: 2973: 2970: 2967: 2964: 2961: 2960: 2959: 2956: 2955: 2954: 2951: 2950: 2948: 2946: 2938: 2935: 2931: 2924: 2920: 2914: 2911: 2906: 2904: 2901: 2899: 2896: 2892: 2889: 2887: 2884: 2883: 2882: 2879: 2877: 2874: 2872: 2869: 2867: 2864: 2862: 2859: 2857: 2854: 2852: 2849: 2847: 2844: 2842: 2839: 2838: 2837: 2834: 2832: 2829: 2825: 2822: 2820: 2817: 2815: 2812: 2810: 2807: 2806: 2805: 2802: 2800: 2797: 2796: 2794: 2792: 2788: 2783: 2782: 2775: 2770: 2764: 2760: 2756: 2751: 2747: 2737: 2734: 2732: 2729: 2727: 2724: 2722: 2719: 2717: 2714: 2712: 2711:Nuclear power 2709: 2708: 2706: 2702: 2692: 2691:Transmutation 2689: 2685: 2682: 2680: 2677: 2676: 2675: 2672: 2670: 2667: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2641: 2639: 2635: 2629: 2626: 2622: 2619: 2618: 2617: 2614: 2612: 2609: 2605: 2602: 2600: 2597: 2595: 2592: 2591: 2590: 2587: 2586: 2584: 2580: 2577: 2575: 2571: 2561: 2558: 2556: 2553: 2551: 2548: 2544: 2541: 2539: 2536: 2535: 2534: 2531: 2529: 2526: 2525: 2523: 2519: 2511: 2508: 2507: 2506: 2503: 2501: 2498: 2494: 2491: 2489: 2488:high-altitude 2486: 2485: 2484: 2481: 2479: 2478:Proliferation 2476: 2474: 2471: 2467: 2464: 2463: 2462: 2459: 2457: 2454: 2452: 2449: 2447: 2444: 2442: 2439: 2437: 2434: 2433: 2431: 2427: 2424: 2422: 2418: 2412: 2409: 2407: 2404: 2402: 2399: 2397: 2394: 2393: 2391: 2389: 2385: 2375: 2372: 2370: 2367: 2365: 2364:Brachytherapy 2362: 2360: 2357: 2355: 2352: 2350: 2347: 2345: 2342: 2340: 2337: 2336: 2334: 2332: 2328: 2322: 2319: 2317: 2314: 2312: 2309: 2307: 2304: 2302: 2299: 2298: 2296: 2294: 2290: 2287: 2285: 2281: 2273: 2270: 2269: 2268: 2265: 2261: 2258: 2257: 2256: 2253: 2249: 2246: 2245: 2244: 2241: 2239: 2236: 2234: 2231: 2229: 2226: 2224: 2221: 2219: 2216: 2214: 2211: 2210: 2208: 2206: 2202: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2176: 2173: 2171: 2168: 2166: 2163: 2161: 2160:Cross section 2158: 2156: 2153: 2151: 2148: 2146: 2143: 2142: 2140: 2138: 2134: 2126: 2123: 2121: 2118: 2114: 2111: 2109: 2106: 2105: 2104: 2101: 2100: 2099: 2096: 2094: 2091: 2089: 2086: 2084: 2081: 2079: 2076: 2074: 2071: 2069: 2066: 2065: 2063: 2061: 2057: 2049: 2046: 2044: 2041: 2040: 2039: 2036: 2034: 2031: 2029: 2026: 2024: 2021: 2019: 2016: 2014: 2011: 2009: 2006: 2005: 2003: 1999: 1995: 1991: 1984: 1979: 1977: 1972: 1970: 1965: 1964: 1961: 1954: 1950: 1947: 1945: 1942: 1940: 1937: 1936: 1932: 1917: 1911: 1908: 1903: 1897: 1894: 1889: 1885: 1880: 1875: 1870: 1865: 1861: 1857: 1856:PLOS Medicine 1853: 1846: 1843: 1838: 1832: 1829: 1817: 1811: 1808: 1804: 1798: 1795: 1791: 1787: 1784: 1779: 1776: 1773: 1769: 1766: 1761: 1758: 1742: 1735: 1729: 1726: 1720: 1718: 1714: 1701: 1697: 1693: 1687: 1684: 1671: 1667: 1663: 1657: 1654: 1649: 1645: 1640: 1635: 1630: 1625: 1621: 1617: 1613: 1609: 1605: 1598: 1596: 1592: 1584:September 18, 1579: 1575: 1571: 1565: 1563: 1559: 1545: 1541: 1534: 1531: 1518: 1514: 1510: 1504: 1501: 1488: 1484: 1480: 1474: 1471: 1465: 1461: 1458: 1456: 1453: 1451: 1448: 1446: 1443: 1441: 1438: 1437: 1433: 1432:Energy portal 1427: 1422: 1419: 1408: 1403: 1401: 1394: 1392: 1389: 1385: 1381: 1377: 1375: 1371: 1367: 1363: 1360: 1356: 1352: 1348: 1344: 1340: 1336: 1331: 1329: 1325: 1321: 1317: 1313: 1309: 1305: 1299: 1295: 1287: 1285: 1281: 1278: 1275: 1271: 1266: 1262: 1258: 1255: 1251: 1246: 1244: 1239: 1234: 1230: 1226: 1222: 1218: 1210: 1205: 1201: 1199: 1195: 1191: 1190:sterilization 1186: 1184: 1180: 1176: 1172: 1168: 1164: 1156: 1150: 1146: 1142: 1138: 1134: 1131: 1128: 1125: 1122:is used with 1121: 1117: 1114: 1112: 1109: 1108: 1104: 1102: 1100: 1096: 1095: 1091: 1087: 1080: 1077: 1076: 1075: 1073: 1069: 1068: 1063: 1061: 1057: 1049: 1045: 1044: 1043: 1041: 1037: 1034: 1030: 1022: 1020: 1018: 1013: 1011: 1006: 1001: 997: 992: 988: 980: 978: 976: 972: 968: 964: 959: 954: 950: 949:Nuclear power 943:Nuclear power 942: 938:Civilian uses 937: 935: 932: 930: 929: 924: 923: 918: 914: 909: 907: 903: 899: 895: 891: 887: 883: 879: 874: 872: 867: 863: 859: 855: 851: 847: 843: 839: 835: 831: 826: 824: 820: 816: 812: 808: 804: 800: 796: 792: 788: 784: 780: 775: 773: 768: 763: 761: 757: 753: 749: 745: 740: 738: 733: 728: 726: 722: 718: 714: 708: 700: 698: 696: 692: 688: 684: 680: 679:Edward Teller 675: 673: 669: 665: 661: 657: 653: 649: 644: 642: 638: 634: 630: 626: 622: 618: 614: 610: 606: 602: 598: 592: 586: 578: 576: 574: 570: 566: 561: 557: 555: 551: 547: 543: 539: 535: 531: 530:United States 528:, run by the 527: 523: 519: 514: 512: 506: 504: 503:critical mass 499: 495: 491: 484: 476: 474: 472: 468: 464: 459: 457: 453: 449: 446:of very high 445: 441: 437: 433: 429: 428:beta particle 425: 421: 417: 413: 409: 405: 401: 397: 392: 390: 386: 382: 378: 373: 371: 367: 363: 359: 354: 352: 348: 344: 343:Greek letters 340: 336: 332: 328: 327:radioactivity 324: 320: 316: 311: 309: 305: 299: 291: 286: 284: 282: 278: 274: 270: 266: 262: 261:atomic nuclei 258: 254: 247: 242: 238: 230: 227: 212: 202: 196: 194: 189: 184: 180: 175: 174: 165: 162: 154: 151:November 2006 143: 140: 136: 133: 129: 126: 122: 119: 115: 112: â€“  111: 107: 106:Find sources: 100: 96: 90: 89: 84:This article 82: 78: 73: 72: 67: 65: 58: 57: 52: 51: 46: 41: 32: 31: 19: 3784: 3772: 3753: 3733:Pyroelectric 3687:Laser-driven 3467:Sodium (SFR) 3394:fast-neutron 3233: 2779: 2669:Reprocessing 2550:WMD treaties 2369:Radiosurgery 2339:Fast-neutron 2311:Scintigraphy 1989: 1921:February 18, 1919:. 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