| Lens_an_Astrophysicist! Interactive Java applet by Pete Kernan (Case Western Reserve University) that allows the visitor to take any of a number of images of astrophysicists, or specify an image by its URL, and explore how |
| The_Light_Cone__An_Illuminating_Introduction_to_Relativity Introduces the basic principles of relativity, the physics of special relativity, and some basic principles of general relativity. Contains a great number of helpful images and animations; site create |
| Wikipedia__General_Relativity_Resources Annotated list of reading material about general relativity: popular books, textbooks, books on specific topics, web courses, and websites. |
| Wikipedia__Introduction_to_General_Relativity Encyclopedia article explaining the basic concepts, observational tests and (astrophysical) applications of general relativity. |
| BBC_News__Einstein_was_Right,_Probe_Shows Early results from a mission to test two key predictions of Albert Einstein show he was right about at least one. (April 16, 2007) |
| The_Confrontation_between_General_Relativity_and_Experiment Review article by Clifford Will, published in Living Reviews in Relativity. Gives a complete survey of tests of general relativity using laboratory experiments and astronomical observations. ( |
| Numerical_Relativity__Status_and_Prospects Review article by Luis Lehner about the foundations of numerical relativity and recent progress in the field; particular attention is paid to simulations of black hole spacetimes. (February 19, |
| Gravitational_Lensing_in_Astronomy Review article by Joachim Wambsganss, published in Living Reviews in Relativity. Provides a brief history of gravitational lensing, an overview of the basic physics and of the variety of lensing phen |
| Subtle_is_the_Gravity Review of the motivations for and basic principles of general relativity, aimed at a general audience. Written by Naresh Dadhich (IUCAA Pune), based on a lecture delivered in 2001. (February 3 |
| Gravitational_Waves_and_Black_Holes__An_Introduction_to_General_Relativity An introduction by Jan-Willem van Holten (NIKHEF, Amsterdam), based on lectures given at the University of Heidelberg in 1997. (April 15, 1997) |
| Plant_Change Supports the ongoing environmental debate by allowing information to be submitted and rated by users. |
| Deriving_Relativistic_Momentum_and_Energy Expressions for momentum and energy of a relativistic particle may be derived from the composition law for velocities along one spatial dimension. |
| Deriving_Relativistic_Momentum_and_Energy__II_ The usual relativistic expressions for momentum and kinetic energy are generalized from the one-dimensional to the three-dimensional case. |
| Imaginary_In_All_Directions There is a preferred algebra of quaternions and complex numbers that is ideally suited to express the equations of special relativity and classical electrodynamics. [PDF] |
| Nothing_but_Relativity There are many ways to derive the Lorentz transformation without invoking Einstein's constancy of light postulate. The path preferred in this paper restates a simple, established approach. [PDF] |
| Sagnac_Effect,_Twin_Paradox_and_Space-Time_Topology When viewed with an alternative synchronization convention, the Sagnac effect on a rotating disk is purely topological and the rim of the disk is essentially an inertial system. |
| Space_Measurements_on_a_Rotating_Platform The age-old puzzling problem of Lorentz contraction on a rotating platform, i.e., Ehrenfest's paradox, is explained in its proper mathematical context. [PDF] |
| The_Twin_Paradox_in_a_Spatially_Closed_and_Bounded_Universe Spatially compact spacetimes break global Lorentz invariance and define absolute inertial frames of reference. |
| Wikipedia__Introduction_to_Special_Relativity Encyclopedia article giving a brief outline of the basic concepts of special relativity (including simple formulas). |
| PIC-BIO Produce and sell the Microorganisms to protect the earth from contamination by chemicals. |
| Scigenics_Biotech Manufacturers, shakers, incubators, Plant growth chambers,agitators, laboratory, industrial equipment, Life Science, Microbiology, Biotechnology, Biological science. |
| Zircon__The_Key_Mineral Information on the properties, ocurrences, and some specific research of the mineral Zircon. |
| Fish_Keeping_Terms Glossary of technical terms used in fish biology. |
| NOVA_Online__Time_Travel Companion site to the NOVA program "Time Travel" (1999); includes a description of the connection with Einstein's theories of relativity, an interview with Carl Sagan, a teacher's guide, and a transcr |
| Time_Travel_in_Flatland? Superb pages by Patricia Schwarz, explaining special relativity, general relativity, and the basics of relativistic time travel in a hypothetical world with just two dimensions ("flatland"). |
| IsoSciences Custom stable isotope labeling and small scale organic synthesis including the preparation of metabolites and PET precursors and standards. |
| International_Banana_Conference_2008 The International Institute of Tropical Agriculture (IITA) organised conference that will focus on banana and plantain research across Africa. April 2008, Mombasa, Kenya. |
| Hubble_Separates_Stars_In_The_Mira_Binary_System Hubble Space Telescope News Release/Paper about the discovery of the atmospheric interaction between the giant star Mira and its white dwarf companion star. |
| SciVee National Science Foundation and the San Diego Supercomputer Center at University of California San Diego collaborate to provide video lectures related to science and computing. |
| European_Science_Foundation__Research_Conferences List of meetings sponsored by the European Science Foundation; includes several conference series in all areas of science, from simple workshops to full-scale conferences. |
| Science_in_School Journal offers articles about teaching in science and interdisciplinary topics. Includes abstracts and submission information. |
| Islamic_Science_2007 International Symposium On Science, Technology & Innovation: Towards A Prosperous And Secure Islamic World. Held in Malaysia from August 9-11, 2007. |
| 14th_International_Congress_of_Radiation_Research Held by Polish Radiation Research Society in Warsaw, Poland from August 27- September 2, 2011. Covers biological, chemical and physical aspects as well as practical applications in medicine, pharmacy, |
| Australian_Science_Festival Information about events, highlights and competition. Also features a Media Centre and information about jobs with the festival. |
| BA_Festival_of_Science Festival organized by the British Association for the Advancement of Science. Includes news, booking information, event descriptions, and job offers. |
| Cambridge,_Mass__Science_Festival Annual spring event presented by the MIT Museum. Site includes event descriptions; information for participants, volunteers, and media; and ticket sales. |
| Cambridge,_UK_Science_Festival In addition to information about festival events and the school program, this site features a variety of science-related interactive games as well as festival podcasts and videos. |
| Cheltenham_Science_Festival Part of the more general Cheltenham Festivals website; links to festival brochure and to list of festival events. |
| Edinburgh_International_Science_Festival Features information about the Wonderama, lists of events and supporters, news, and information about the festival's touring school program "Generation Science". |
| European_Science_Events_Association European association for organizers of science festivals and other science communication events. Includes information about members and the association's conferences, as well as updated lists of scien |
