| Jupiter_Scientific_Book_Review Reviews and links to Amazon for some popular science books. |
| A_Positron_Named_Priscilla__Scientific_Discovery_at_the_Frontier Complete text of the book written by members of the National Academy of Sciences, that profiles investigations by leading young scientists. |
| Reviews_of_Books_about_Science Phillip Manning reviews science books for newspapers. This site contains many of those published reviews and selected essays. |
| American_Welding_Society Devoted to promoting welding and related processes, and to supporting all those who contribute to the industry, with links to related sites and services. |
| Applied_Welding Quarterly online magazine with information about the latest process and product technologies. Past issues available. From Miller Electric Mfg. |
| Bohler_Thyssen_Welding Customer support and training, technical hot line, help on welding. |
| CWT_National_Welding_Certification_Testing_Bureau Serve the welding industry, and help maintain the publics safety through the administration and issuance of certifications and accreditations in welding, or inspection and testing. |
| Edison_Welding_Institute A non-profit engineering and technology resource organization serving the welding and joining needs of industry. Expertise in processes from arc welding to adhesive bonding and materials ranging from |
| Hobart_Institute_of_Welding_Technology Committed to helping individuals develop marketable welding skills through quality training at minimum cost. |
| The_Navy_Joining_Center A national resource committed to developing, deploying and disseminating materials joining technology to the U.S. Navy, its contractors, and U.S. industry. |
| Pulsar_Cold_Magnetic_Pulse_Welding A basic tutorial on how the magnetic pulse system works. |
| Quality_Control_of_Resistance_Welding Information about the quality control of resistance welding using non-destructive evaluation, statistical process control and adaptive control systems. Resistance welding literature, troubleshooting i |
| Research_Group_on_Welding_Modeling_at_Penn_State Develops computer models and new experimental tools to solve materials processing problems, especially the application of transport phenomena to quantitatively understand metals processing, particular |
| Resistance_Welding List of resources and suppliers. |
| TWI_-_World_Centre_for_Materials_Joining_Technology Industry organization with database on welding processes, properties of welded joints, weldability of materials and other allied technologies. Case studies from many industrial area. Software, FAQs an |
| Welding_and_Cutting Technical, scientific, magazine covering welding, cutting and soldering technology and related fields. |
| Welding,_Bonding_and_Fastener_Engineering_Forum_at_Eng-Tips Technical support forums and mutual help system for engineering professionals. |
| Welding_Extensions The history, uses and the economics of welding rod extensions. |
| Welding_Links Some useful links to various welding sites. Some technical information. |
| Welding_Technology_Institute_of_Australia Welding and joining technology support centers for Australian industry. |
| 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. |