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Nuclear Energy

  • Thermal pollution Featured Article Thermal pollution Thermal pollution

    Thermal pollution is the act of altering the temperature of a natural water body, which may be a river, lake or ocean environment. This condition chiefly arises from the... More »

  • After Fukushima Featured News Article After Fukushima After Fukushima

    SciDev.Net has produced a special Spotlight on "Nuclear Power After Fukushima" on 29 September 2011. SciDev.Net Spotlights are collections of feature, news and opinion... More »

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Uranium Last Updated on 2013-12-15 23:42:25 Uranium is a radioactive element that occurs naturally in low concentrations (a few parts per million) in soil, rock, and surface and groundwater. It is the heaviest naturally occurring element, with an atomic number of 92. Uranium in its pure form is a silver-colored heavy metal that is nearly twice as dense as lead and is pyrophoric when finely divided. Uranium exhibits three crystallographic modifications as follows: alpha --(688°C)→ beta --(776°C)→ gamma. It is a little softer than steel, and is attacked by cold water in a finely divided state. It is malleable, ductile, and slightly paramagnetic. In air, the metal becomes coated with a layer of oxide. Acids dissolve the metal, but it is unaffected by alkalis. Previous Element: Protactinium Next Element:... More »
Public Health Statement for Ionizing Radiation Last Updated on 2013-09-28 16:17:13 This article is a verbatim version of the original and is not available for edits or additions by EoE editors or authors. Companion articles on the same topic that are editable may exist within the EoE. September 1999 En Español This Public Health Statement is the summary chapter from the Toxicological Profile for ionizing radiation. It is one in a series of Public Health Statements about hazardous substances and their health effects. A shorter version, the ToxFAQs™, is also available. This information is important because this substance may harm you. The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. For more information, call the ATSDR Information Center at 1-888-422-8737. This public health statement tells you about ionizing radiation and... More »
Public Health Statement for Americium Last Updated on 2013-09-25 23:50:26 This article is a verbatim version of the original and is not available for edits or additions by EoE editors or authors. Companion articles on the same topic that are editable may exist within the EoE. April 2004 CAS#: 7440-35-9 This Public Health Statement is the summary chapter from the Toxicological Profile for Americium. It is one in a series of Public Health Statements about hazardous substances and their health effects. A shorter version, the ToxFAQs™, is also available. This information is important because this substance may harm you. The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. For more information, call the ATSDR Information Center at 1-888-422-8737. This public health statement tells you about americium and the effects of... More »
Los Alamos National Laboratory Last Updated on 2013-08-11 10:26:48 Los Alamos National Laboratory (LANL), located in Los Alamos, New Mexico, is one of several U.S. Department of Energy (DOE) national laboratories. It is noteworthy as the site where the world's first nuclear weapon was developed under a heavy cloak of secrecy during World War II, and has been known variously as Site Y, Los Alamos Laboratory, and Los Alamos Scientific Laboratory. Today, it is recognized as one of the world's leading science and technology institutes. Since June 2006, LANL has been managed and operated by Los Alamos National Security, LLC (LANS).[1] LANL's self-stated mission is to ensure the safety, security, and reliability of the nation's nuclear deterrent.[2] Its research work serves to advance bioscience, chemistry, computer science, Earth and environmental sciences, materials science, and physics disciplines. The Manhattan Project was the... More »
After Fukushima Last Updated on 2011-09-29 00:00:00 SciDev.Net has produced a special Spotlight on "Nuclear Power After Fukushima" on 29 September 2011. SciDev.Net Spotlights are collections of feature, news and opinion articles, and links to relevant material and organisations, that focus on specific issues. For this Spotlight, SciDev.Net says: "Nuclear power is an attractive energy option in the developing world. How has the accident at Fukushima affected plans for the technology, and what do policymakers need to consider when weighing up nuclear against other sources of energy?" In the Spotllight's introductory Editorial David Dickson says, in part: "The accident at Japan's Fukushima nuclear power plant in March sent a shock wave through the nuclear energy renaissance that has been gaining strength in the past few years. This had been spurred partly by the escalating price of oil, partly by safer ... More »