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Radiation
 Websites presented in alphabetical order Birth Cry of the Cosmos Heard 
 Reports on sounds of the early universe, which have been recaptured by an astronomy professor. Features sound files resulting from analysis of the "so-called background radiation that was born 400,000 years after the Big Bang." Includes related links. From the British Broadcasting Corporation (BBC). http://news.bbc.co.uk/2/hi/science/nature/3832711.stm Topics: Astronomy, Science, Science Last updated Sep 4, 2009 Cancer Prevention and Control: Choose Your Cover
"Choose Your Cover is a skin cancer prevention initiative sponsored by the United States Department of Health and Human Services, Centers for Disease Control and Prevention [CDC]." The site includes facts and statistics about skin health and safety in the sun, a guide for parents, and information on subjects such as sun exposure, ultraviolet rays, UV index, sunburn, tanning, sunglasses, sunscreen, and sun protection factor (SPF). http://www.cdc.gov/ChooseYourCover/ Topics: Cancer, Diseases & Conditions, Science Last updated Aug 15, 2004 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 DOE Openness: Human Radiation Experiments
"The Office of Human Radiation Experiments, established in March 1994, leads the Department of Energy's efforts to tell the agency's Cold War story of radiation research using human subjects." Includes a list of experiments, oral histories by the scientists and technicians involved, declassified documents, key reports, and more. Also features film clips and photographs. http://www.hss.energy.gov/healthsafety/ohre/ Topics: Diseases & Conditions, Nonfiction by Genre, Science Last updated Mar 25, 2007 Frequently Asked Questions (FAQs) About Dirty Bombs
Discusses what to do following an explosion of a dirty bomb (also known as a radiological dispersion device), immediate steps to take, whether to take potassium iodide (KI), risks of cancer, radiation exposure, safety of food and water supply, and related topics. From the Centers for Disease Control and Prevention. http://www.bt.cdc.gov/radiation/dirtybombs.asp Topics: Diseases & Conditions, Science, Science, Terrorism, Weapons Last updated Mar 25, 2007 Guidance: Potassium Iodide as a Thyroid Blocking Agent in Radiation Emergencies
This site from the U.S. Food and Drug Administration provides information "regarding the safe and effective use of potassium iodide (KI) as an adjunct to other public health protective measures in the event that radioactive iodine is released into the environment." The report points out that "evacuation, sheltering, and control of contaminated foodstuffs" are even more crucial prevention measures (aside from not exploding radioactive devices in the first place). Opens directly into a PDF file. http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm080542.pdf Topics: Diseases & Conditions, Pollutants & Toxic Substances, Science, The Human Body Last updated Jun 4, 2009 Hanford Environmental Dose Reconstruction Project (HEDRP)
"The federal government's first comprehensive attempt to estimate the amount and type of radiation releases that people were exposed to during plant operations [1944-1990] at the Hanford Nuclear Weapons Production facility in Washington State." Main reports are Summary of Radiation Dose Estimates from Hanford Radioactive Materials Releases to the Air and the Columbia River (English and Spanish) and the controversial Hanford Thyroid Disease Study (HTDS) . http://www.cdc.gov/nceh/radiation/brochure/profile_hanford.htm Topics: Diseases & Conditions, Science, The Human Body Last updated Sep 27, 2004 Hidden Art Could Be Revealed by New Terahertz Device
This 2008 article discusses how T-rays (terahertz radiation) "could let art historians see murals hidden beneath coats of plaster or paint in centuries-old buildings" and "could also illuminate penciled sketches under paintings on canvas without harming the artwork." Includes images. From the University of Michigan News Service. http://www.ns.umich.edu/htdocs/releases/story.php?id=6300 Topics: Science Last updated Mar 25, 2008 How Does Suncreen Work?
This page describes how "sunscreen works by combining organic and inorganic active ingredients. Inorganic ingredients like zinc oxide or titanium oxide reflect or scatter ultraviolet (UV) radiation. Organic ingredients like octyl methoxycinnamate (OMC) or oxybenzone absorb UV radiation, dissipating it as heat." Includes links to related sites and a short bibliography. From the Library of Congress Everyday Mysteries website. http://www.loc.gov/rr/scitech/mysteries/sunscreen.html Topics: Consumer Research & Advocacy, Science Last updated Jun 26, 2006 Nevada Site Office
"The Nevada Test Site is a massive outdoor laboratory and national experimental center" used from 1945 to 1992 for nuclear weapons testing and since then for other programs. The site features history, fact sheets, material about environmental programs (covering radiation, and radiological air and water impacts), photos, videos, and more. From the National Nuclear Security Administration, U.S. Department of Energy. http://www.nv.doe.gov/main.htm Topics: Science, Weapons Last updated May 13, 2009 PSR Publications and Related Links on Depleted Uranium
Commentary and links to information about depleted uranium (DU), "uranium from which the more highly radioactive isotopes have been removed for use in weapons or reactor fuel." Publications discuss the health and environmental effects of DU. Links to websites provide other viewpoints; "PSR does not necessarily endorse the content or opinions contained on these sites." From Physicians for Social Responsibility (PSR). http://www.psr.org/chapters/oregon/peace-and-security/depleted-uranium-updates.html Topics: Energy, Science, Weapons Last updated Jul 7, 2009 Radiation Effects Research Foundation
This site features reports and data from the "Japanese-United States organization focused on the study of health effects in survivors of the atomic bombings in Hiroshima and Nagasaki." Topics include early and late effects on survivors, prenatal radiation exposure, genetic studies, and cancer. Provides a FAQ, a glossary, and a fact sheet on radiation. In English and Japanese. Searchable. http://www.rerf.or.jp/ Topics: Diseases & Conditions, Health & Medical Disciplines, Public Health & Safety, Reproductive and Sexual Health, Science, Weapons Last updated Jul 20, 2005 Radtown USA
This site uses an animated town to provide basic information about radiation in the environment. Wireless networks, stadium light shows, and medical X-rays are some common sources noted in the presentation. Each location is linked to a fact sheet explaining the types of radiation, personal steps for protection, and the roles that various government agencies play in protection and control. The site also includes a glossary and related links. From the U.S. Environmental Protection Agency. http://www.epa.gov/radtown/ Topics: Environment, Science Last updated May 24, 2006 Rensselaer Center for Terahertz Research
"Faculty members of the Center for Terahertz Research are among the world's first scientists to exploit the unique advantages of terahertz (THz) radiation [T-rays]. ... [T]hey are creating innovative imaging and sensing technologies that hold enormous potential in biomedical imaging, genetics diagnostics, microelectronics, and the chemical and biological materials identification fields." Find news and examples of research and applications such as T-rays of watermarks on paper currency. http://www.rpi.edu/terahertz/ Topics: Science Last updated Mar 25, 2008 Shadowy T-rays: Hunting Tumors and Exploring the Universe
This 2006 article describes how T-rays (terahertz radiation), which exist between microwaves and X-rays on the electromagnetic spectrum, allow researchers to see through "many everyday materials, such as clothing, plastics, and wood [which] look transparent under terahertz imaging." In addition, "T-rays have astronomical applications." Includes images and links to related articles. From LiveScience. http://www.livescience.com/technology/060728_t-rays.html Topics: Science Last updated Aug 8, 2008 |
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