| League_of_Women_Voters__Materials_on_Natural_Resources_Protection Available brochures and publications on several environmental topics. |
| Okno_Group Publishes books and periodical series on environmental and health care topics in eastern Europe, Russia and Central Asia. Includes Environment & Health Online. |
| Science_and_the_Environment_Bulletin Bi-monthly online publication from Environment Canada, featuring news and information on leading-edge environmental science and technology. |
| United_Nations_Environment_Programme_Book_Shop Distribution point for UNEP publications. Most reports and magazines are only available for purchase, but are few items can be read online. |
| Water_Resources_Publications,_LLC Publisher's online catalog, including descriptions of available books, CDs, and other publications in the area of water resources sciences. |
| Are_There_Pictorial_Examples_of_Covariant_and_Contravariant_Vectors We present pictorial means of distinguishing contravariant vectors (or simply vectors) from covariant vectors (or linear forms). |
| The_Cosmological_Constant An overview of why Einstein added an extra term in general relativity, and why it is still examined. |
| The_5D_Spacetime_Consortium We are a group of physicists and astronomers working on a 5-dimensional version of general relativity. |
| Derivation_of_gravitational_waves_in_Einstein,_Brans-Dicke_and_Rosen_theories_of_gravity_ Mathematical derivation of gravitational waves to quadrupole order in the Brans-Dicke scalar-tensor and Rosen bi-metric theories of gravity. |
| Dulkyn__Scientific_Center_for_Gravitational-Wave_Research Research includes detection of periodic gravitational radiation from relativistic astrophysical objects, investigation of infra-low-frequency variations of Terrestrial gravity field in the role of cry |
| An_Essay_on_General_Relativity This site contains a comprehensive introduction to the basic ideas and tests of general relativity |
| Experimental_Gravitational_Physics_Using_Drag-Free_Satellites Covers current and past projects in experimental gravitational physics using Drag-Free Satellites including the Relativity Gyro, Equivalence Principle, and LISA. |
| General_Relativity_Simulation_Contest The purpose of this Contest is to prove General Relativity using a (simple) algorithm. |
| Gravitational_Lensing A popular site with interactive demonstrations of gravitational lensing. The background material is at a graduate level |
| Gravitational_Waves__An_Introduction This paper presents an elementary introduction to the theory of gravitational waves. This article is meant for students who have had an exposure to general relativity, but results from general r |
| Gravity_Probe_B Gravity Probe B is the relativity gyroscope experiment being developed by NASA and Stanford University to test two extraordinary, unverified predictions of Albert Einstein's general theory of relati |
| Handbook_of_Space_Astronomy_and_Astrophysics_-_Relativity A collection of equations important to both special relativity and general relativity. |
| Hyperspace_at_the_University_of_British_Columbia Includes links to online journals, news and preprint archives, as well as lists of faculty at this university. |
| Interactive_Experiments_in_Gravity Try an experiment that illustrates the gravitational attraction between two objects or use a Java applet to understand how orbits work in strongly curved space-time. |
| Lecture_Notes_on_General_Relativity Sean M. Carroll's lecture notes from a one-semester graduate-level course he taught at MIT in 1996. Notes are in postscript format. |
| NOVA_Online/Einstein_Revealed Profile of Albert Einstein, with additional teaching resources, Shockwave demonstrations, and animations of relativity concepts. |
| Physics_Bookshelf_-_Relativity A collection of articles about relativity |
| Publications_in_Physics_and_Mathematics_by_Walter_Pfeifer A textbook for relativistic quantum mechanics is presented. The Dirac equation is dealt with in detail. |
| QMW_Hyperspace A set of hypertext based services for general relativity research provided by the QMW Relativity group. |
| Relativity Provides information on the history, experiments and paradoxes of relativity. |
| Relativity_bookmarks Rob Salgado's bookmarks |
| Ricci A Mathematica package for doing tensor calculations in differential geometry and general relativity. |
| Shapiro_Radar_Bounce_Test A two part overview of the Shapiro radar bounce test of general relativity. (The two parts consist of a section for normal people, and one for nerds) |
| Solving_Einstein\'s_Equations_in_Three_Dimensions This is a Mathematica notebook showing how to plot light cones in two plus one spacetime dimensions with a point mass. |
| The_Special_Theory_of_Relativity Self-tutorial with short essays, questions and answers. |
| Why_Time_is_Absolute,_and_Relative,_But_Never_Universal An article by Vincent Sauvé elaborating upon a materialist view of the absolute and relative nature of time. |
| Wrong__Some_Scientifically_Inaccurate_Claims_Concerning_Cosmology_and_Relativity Easy to understand 'debunking' of some common misconceptions about cosmology and relativity and why they are wrong. |
| Gravity_of_Gravity An experiment at the University of Washington seeks to determine whether the gravitational binding energy of an object generates gravity of its own. (October 26, 1999) |
| Derwent_Innovations_Index An international overview of inventions in chemical, electronic and electrical, and mechanical engineering. Over ten million basic inventions from over 40 authorities. Subscription required. |
| Lemelson-MIT_Program Celebrating inventors who have turned their ideas into accomplishments. |
| Mahi_Consultant_-_The_Art_of_Invention Tips for protecting and marketing an invention. |
| Mandy_Haberman The story of the inventor of the Anywayup Cup and her fight against companies that stole her idea. |
| National_Inventor_Fraud_Center,_Inc_ Information regarding invention marketing companies, from Neustel Law Offices, LTD. |
| Old_Technology Information for collectors and restorers of late 19th and early 20th century technology. |
| A_country_that_innovates Discussing inventions and innovations in Finland. (April 1, 2004) |
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Need help in Vacuum Casting.General information-materials - Dimitris Karigiannis Posted on 08/03/01 at 5:07 AM(4)
Re: Need help in Vacuum Casting.General information-materials - charlie Posted on 11/27/01 at 11:50 AM(2)
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