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Electromagnetic Fields (EMFs)
 Websites presented in alphabetical order California Electric and Magnetic Fields (EMF) Program 
 A state of California program studying "the possible health effects of electric and magnetic fields from powerlines, appliances, and other uses of electricity." The site includes fact sheets, information about EMF at homes and at schools, descriptions of program activities and reports, and a glossary. From the Environmental Health Investigations Branch of the California Department of Health Services. http://www.ehib.org/emf/ Topics: Diseases & Conditions, Electrical Energy, Environment, Public Health & Safety Last updated Mar 1, 2009 Death Star
Companion site to a Public Broadcasting Service (PBS) NOVA program that "probes the deep mysteries of gamma-ray bursts, the most powerful celestial explosions since the big bang." Features articles from astrophysicists, an interactive tour of the electromagnetic spectrum, and information about other extraterrestrial wonders such as "pulsars and quasars, antimatter and dark matter, [and] brown dwarfs and white dwarfs." Includes a teacher's guide and related resources. http://www.pbs.org/wgbh/nova/gamma/ Topics: Astronomy, Electrical Energy, Science, Science Last updated Jun 8, 2004 EMF RAPID: Electric and Magnetic Fields Research and Public Information Dissemination Program
Web headquarters of a "federally coordinated effort to evaluate developing technologies and research on the effects on biological systems of exposure to 60 Hz electric and magnetic fields produced by the generation, transmission and use of electric energy." Users can view reports assessing the health effects of EMF and detailed proceedings from symposiums. Also provides links to related resources. From the U.S. National Institute of Environmental Health Sciences. http://www.niehs.nih.gov/emfrapid/ Topics: Diseases & Conditions, Electrical Energy, Environment, Public Health & Safety, Technology Last updated Dec 31, 2003 Optics for Teens
This site provides an introduction to the field of optics and its applications in science, engineering, and medicine. Illustrated articles cover concepts such as electromagnetic radiation, lenses and mirrors, reflection and refraction, and the human eye. Includes career information, "online laboratories," a section on optical illusions, lesson plans, and related links. From the Optical Society of America, a professional membership organization. http://www.OpticsForTeens.org/ Topics: Diseases & Conditions, Electrical Energy, Lesson Plans, Medical Treatments & Devices, Physics Last updated Nov 4, 2003 Our Earth as Art
Landsat 7 is a U.S. satellite maintained by NASA. On this site "you can view our planet through the beautiful images taken by the Landsat-7 satellite." The online exhibit includes images of deserts, rivers, mountains, and other geographic features. Includes a discussion of how the colors of satellite images differ from photographs. Browsable by continent. From the U.S. Geological Survey (USGS) and NASA. http://landsat.gsfc.nasa.gov/earthasart/ Topics: Astronomy, Electrical Energy, Photograph Collections, Technology Last updated Jun 18, 2003 Samuel F. B. Morse Papers at the Library of Congress
This collection documents Morse's invention of the electromagnetic telegraph, role in developing telegraph systems, "career as a painter, his family life, his travels, and his interest in early photography, religion, and the nativist movement." Includes correspondence, diaries, notebooks, maps, drawings, and material from various publications. Also features a biographical timeline and a family tree. Searchable. From the American Memory Project of the Library of Congress. http://memory.loc.gov/ammem/sfbmhtml/ Topics: Correspondence, Electrical Energy, History, Nonfiction by Genre, Notable People, Photograph Collections, Photograph Collections: Nature & Wildlife, Science, Technology Last updated Nov 28, 2004 |
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