| Indoor_Air_-_Radon US EPA information resources and links about this gas, its health effects, and its control. |
| Integrated_Environmental_Management Informative primer on radon, its progeny, measurement and risks. Extensive information on radioactivity and radiation, exposure and risks. |
| Natural_Radioactivity The Radiation Information Network (Idaho State U). Primordial, cosmogenic and man-made radiation sources. Radon accounts for 56% of the total effective dose to people in the US. Radioactivity in soil, |
| Radon_-_The_Invisible_Intruder Report from the Office of New York State Attorney General (1996) on the dangers of radon, testing, tips on reducing radon and selecting a contractor. |
| Radon_Progeny A chart listing all of the decay products of radon gas in their order of appearance. Atomic mass, atomic numbers and the energy in MeV of the released alpha radiation. |
| Radon_Project_of_Columbia_University_and_Lawrence_Berkeley_National_Lab_ Uses information about location of home, and house construction, to suggest whether or not to test for radon. |
| Residential_Radon_and_Lung_Cancer_Study The latest and most substantial study ever on the link between radon and lung cancer (May, 2000) proves that residential radon causes cancer even at the low levels in homes. At the EPA's 4 pCi/L actio |
| Risk_Assessment_of_Radon_in_Drinking_Water The National Academy of Sciences report (1999) compares the risks of radon in air and water. Full report can be read online, or purchased. |
| Uranium_238_Decay_Chain Short primer on U238 decay through radon to stable lead, radioactive half times of elements. Chart of the decay chain with half times and alpha or beta radiation. |
| Uranium_-_The_Deadliest_Metal A detailed paper on uranium, its radioactive products, mining, and radiation risks to people issued by the Canadian Coalition for Nuclear Responsibility (1992). The health risks even at the low radon |
| USGS_Radon_Information U.S. Geological Survey site on radon in earth, air and water. Site resources include educational information on radon, and multiple maps on the geologic and geographic occurrence of radon in the Unite |
| Western_Regional_Radon_Training_Center Provides certification and continuing education classes that meet National Radon Proficiency Program. Located in Colorado Springs, CO. |
| Apocalyptic_Visions_of_the_Past Introduction, reactivating the past, inadvertent disclosures, worldwide earthquake, concealed manipulations, religious wars, the rapture and conclusions. |
| Astral_Time_Travel Read about other peoples' stories and submit your own, different techniques, clarifying the myths, how common is it, what are the differences and is it just a dream. |
| Basic_Introduction_to_Time_Travel Pythagoras, Einstein, Lorentz factor, paradox and cosmic censor. |
| BBCi_-_Space_-_Time_Travel Gravity, black holes, singularity and mini wormholes. |
| Chronos_Shrugged__The_World_of_Time_Travel Introduction, myth, psychology, abstracts, ethics, experts, science, analysis, paradox, fun stuff, bibliography and links. |
| Chronos__The_Future_of_Time_Travel Nine-dimensional theory, using timegates, destiny, causality, temporal divergence, navigating parallel timelines, interspatial teleportation, message board, chat forum and links. |
| Cosmos_Time Theory in the relation between time and space. |
| Damanhur_and_Time_Travel Esoteric physics, sequence of events, temporal sea, energy and technology, how to prepare, editorials, travels and links. |
| A_Discussion_on_Time_Travel A forum on time machines and travel as it relates to science and technology. |
| Endeavor_Into_Time Wormhole, space-time continuum, black hole, quantum foam and causality violation. |
| Evading_Quantum_Barrier_to_Time_Travel Einstein's special theory of relativity, warping of space-time, Misner space and chronology protection conjecture. |
| Everything_You_Always_Wanted_to_Know_About_Time_Travel Time and the universe, time machine, beginner's guide, point of view, Einstein connection, wormhole engineering and proof. |
| The_Future_of_Time_Travel Guide, teleportation, temporal phasing and applications of nine-dimensional reality. |
| Getting_In_A_Twist_Over_Time Wormhole, negative energy, Einstein, gravitational field equation, closed time-like loops, cosmic strings, chronology protection conjecture and twisted light. |
| How_Time_Travel_Will_Work Special relativity, understanding, space phenomena, black holes, wormholes, cosmic strings and problems. |
| How_to_Travel_Through_Time Discussion of becoming an explorer mentally. |
| Instructions_for_Meeting_Time_Travelers Introduction, how method discovered, speculation of future laws, if visit does or does not occur and printable document. |
| A_New_Concept_of_Time_Travel A bipolar type of discontinuity in spacetime is postulated that would enable time travel, teleportation, antigravity, and warp drive. Introduction, humanity's dream, spacetime postulate, consequences |
| NOVA_Online-Time_Travel Interview with astronomer and Pulitzer Prize-winner, Carl Sagan. |
| Quantum_Time_Travel Kip Thorne, wormholes, superposition, time translation and stasis field. |
| The_Relativistic_Asynchronous_Machine Design of a hypothetic machine for travel into the future by Tilmann Schneider. |
| Rotating_Universes_and_Time_Traveling Thesis, Mach's principle, Einstein's general relativity, equation and diagram. |
| Rubak_com__Is_Time_Travel_Possible Article examining this controversial situation. Read and add your response. |
| Some_Ramifications_of_Time_Travel Introduction, scenario for discussion, next 500,000 years, after 500,000 years, features of time travel, constraints on travel to past, operational considerations and conclusions. |
| Space-Time_Physics_and_the_Future_of_Time_Travel Black holes, wormholes, time dilation factor, gravity, graphs and equations. |
| Stardrive Super cosmos, Hawking's nutty universe, physics of exotic propulsion, destiny matrix and the world crystal. |
| Tachyon_Pistols Simile and diagram explaining faster than light travel. |
| Tachyons,_Time_Travel,_and_Divine_Omniscience Philosophy of science and religion, theological fatalism, equations and footnotes. |
