Science - Physics - Relativity QMW Hyperspace - A set of hypertext based services for general relativity research provided by the QMW Relativity group. Relativity bookmarks - Rob Salgado's bookmarks The Casimir Effect in Relativity - A brief introduction of this phenomenon. Handbook of Space Astronomy and Astrophysics - Relativity - A collection of equations important to both special relativity and general relativity. An introduction to the Yilmaz Theory of Gravity - Yilmaz discovered an alternative theory of gravitation which surmounts some of the defects of general relativity. The solutions of the field equations contain neither space-time singularities, or, equivalently, there are no black holes. Ricci - A Mathematica package for doing tensor calculations in differential geometry and general relativity. NOVA Online/Einstein Revealed - Profile of Albert Einstein, with additional teaching resources, Shockwave demonstrations, and animations of relativity concepts. Gravitational Lensing - A popular site with interactive demonstrations of gravitational lensing. The background material is at a graduate level 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) Southampton GR Explorer - An introduction to Einstein's theory of General Relativity and related topics. These pages include informative text, pictures and movies. An Essay on General Relativity - This site contains a comprehensive introduction to the basic ideas and tests of general relativity 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. 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. 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 relativity. Physics Bookshelf - Relativity - A collection of articles about relativity 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. 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 relativity have been derived in the appendices. 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). Starlight and Mercury's orbit - open.org/pitmandu For the junior student; an heuristic development of the equations explaining the precession of the orbit of Mercury and the deflection of light in a gravitational field without using differential geometry. Includes a review of the development of E mc^2. Special and General Relativity + Faster than light Travelling - A thorough explanation of special and general relativity, and a discussion about traveling faster than light, with Star-Trek in mind. The Cosmological Constant - An overview of why Einstein added an extra term in general relativity, and why it is still examined. Modern Relativity - A set of notes outlining general relativity and its applications, including modern theories of FTL travel and wormholes. The 5D Spacetime Consortium - We are a group of physicists and astronomers working on a 5-dimensional version of 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. General Relativity Simulation Contest - The purpose of this Contest is to prove General Relativity using a (simple) algorithm. Relativity Forum - Forum devoted to discussing the Einstein's special and general theories of relativity. Supernova Cosmology (Edward Wright) - Measuring the Curvature of the Universe by Measuring the Curvature of the Hubble Diagram The Rigid Rotating Disk in Relativity - overview of past research and references Can the Equivalence Principle be Violated? - Three chiral experimental violations of the Equivalence Principle are proposed: Eotvos experiment, Majorana balance, and simultaneous dual DSC calorimetric. General relativity in the global positioning system (Neil Ashby) - effects of GR on GPS Monocosm - A brief description of how problems with a seemingly four-dimensional universe are solved, with related papers. SAA - Society for the Advancement of Autodynamics Einstein's Theory vs Classical Mechanics - A book demonstrating how using conventional wisdom and logic, Newton's physics and Galilean coordinates, classical physics can explain the observed phenomena attributed to relativity. The Theory of Distance-time - Defining space and time in the literal way we experience it -via particles-I create a quantum theory of space and time. Physics of the Mysterious - Thoughts of a theoretical physicists on channelling, time travel and the paradigm shift - By Arkadiusz Jadczyk - Source: Aurora Publications / Cassiopaea Aether Theories - Collation of Scientific Theories of the Aether - Articles relating to the Emergence of Scientific Theories of the Cosmic Aether. (Including papers claiming that the aether actually exists) An Alternative View of the Stucture of Time - A particle-based view of special and general relativity by John K.N. Murphy. Euclidean Nature of Space Time-Experimental Proof - The stellar aberration finds explanation in classical time concept with which the principle of constancy of light speed in all inertial frames is incompatible. General Ether Theory - An ether theory of gravity. Starting from condensed matter theory (Lagrange formalism, continuity and Euler equation) the Einstein equivalence principle and, in some limit, the Einstein equations are derived. Cosmodynamics -A global theory of Gravity derived from Expanding Space - A free prepublication draft of a verifiable theory of gravitational cause and consequence derived from Einstein's "principle of equivalence" Evidence Against Relativity - An article about a theory based on a medium called "the Firmament". Spacelike Mappings of the Light Cone - Lattice of spacelike intervals that can map all of space and time. Pictures of some models. Physics - Electrogravity by Nils Rognerud - Can the nature of gravity be understood? Currently, no one has been able to explain the true nature of gravity. We live with this force on a daily basis and yet this force remains one of the greatest mysteries of our technological society. On The Likelihood of a Dynamic Center of Mass - A mechanical hypothesis which offers a new interpretation of motion and gravity Expanding Matrix and the Unification of Dynamics - A physics treatise examining fundamental assumptions about energy, space and time using the little known expanding dimension portion of Einstein's equivalence principal. Relativity and waves - Relativity explained by waves. A well animated program on waves will show you the laws of relativity. Original exercices are proposed. Also a short course on measurements, illustrated by sundials, with original exercices. The Universe is not expanding - The Shapiro effect is the cause of the redshift of distant galaxies, instead of the Doppler effect. Time-Line-Theory - This is about time-energy-matter and gravity. This site is about matter having a constant time to it in the universe. Nothingness in the Void - Theory of black holes and general relativity. Mathematical Contradictions to Special Relativity - Mathematical proof of the falsity of a popular derivation of the transformation equations in special relativity theory. Usenet articles on QM, SR and GR - Collection of a few usenet articles challenging some establishment views in science Relativity and Gravitrons - Short page claiming that it is the acceleration of energy within a particle that produces mass and consequently gravity. Access to a Physical Understanding of Gravitation - Ideas on gravitation. Emerging Universe - An article by Nicholas Sclufer backing the Emerging Universe theory as an alternative to the Big Bang theory. It states that the universe is still in the process of formation, with the energy of the virgin vacuum pouring into the bubble of the universe and becoming matter. The Aether - A tutorial on special relativity at the level of a first year university course The Spacetime Phenomena - The obvious conclusion from the principle of equivalency was drawn and applied in this work : In fact, the gravitational force is caused by the change of speed of spacetime structure, falling into a mass. Measuring time and other spatio-temporal quantities - Einstein could not, but with a "space-time odometer" in addition to a "light-clock" we can now measure both common sense time and spatial distances. Pure Classical Physics Replacement for Relativity - Extinction Shift Principle, the Most Recent Emission Theory; Alternative to both General and Special Relativity in the Electrodynamics of Galilean Transformations for the first time formulated in the intuitive framework of Euclidean Space Geometry alone. QuantumPhysics - Papers about the Smarandache Hypothesis that there is no speed barrier in the universe, SRM-Theory of constructing arbitrary speeds from zero to infinite, Smarandache Sorites Paradox. Warp Drive Today - The Physics of the Alcubierre Warp Drive and Beyond, preseneted within a science-fiction like format, with a discussion of it problems and future. The Theory of Absolute Space-Time - A Complete Refudiation of Relativity's Curved Space/Time with a Proof of Absolute Space/Time. And an End to the Speed of Light as a Travel Restriction. M-Theory - A series of articles on M-Theory. DimensionalTheory - Higher dimensions and the effects of life on the universe Time Travel Institute - Research and discussion of time travel, quantum physicals and temporal displacement. The Speed of Light - A Limit on Principle - Presents a physicists view on this controversy. Death and Time Travel - Can instant travel in time and distance occur? This article describes how to do it without violating any law of physics. Special and General Relativity - New Mathematical Formulations - Presentation of new mathematical formulations for both the Special and General Theories of Relativity. Critical Physics - Three downloadable papers on theoretical physics that have been criticized as insufficiently mathematical for physics and to scientific for philosophy. Einstein's Theory of Relativity - Illusion or Reality? - This book demonstrates critical analysis of Einstein's Special Theory of Relativity. Author: Milan R. Pavlovic Relativity or Ether Theory with a new Propagation of Light - A new analysis of the Michelson Experiment. Space-Temporal Structure of Energy - The nature of energy and matter in its relation with the space-time, its relation with relativity, unified strengths. The Vortex Theory - Alternative theory to Albert Einsteins general theory of relativity and the grand unification theory of everything. Publications of Rangel Kolessin, Ph.D. - Publications by Rangel Kolessin, Ph.D. The Secret of Creation, Elementary Particles and Nuclear Structure, Physical Model of Atoms, Generalized Model of the Universe, Paradoxes of Relativity Theory. Aetherometry - The Science of the Metrics of the Aether. Foundations for a biophysics of massfree energy. Experimental and theoretical research into its nature, types. metrics, and relation to massbound energy. Apparent Lack of Symmetry in Stellar Aberration and Euclidian Space Time - Presents the effect of stellar aberration based on the proposition that stellar aberration gives rise to a Lorentz expansion. Theory for Gravitic Propulsion - Theory for Matter, Energy, Space-Time and Gravitic Propulsionintended to inspire debate and research that could lead to experimentation and prototyping. Curt Renshaw's Physics Page - Papers on the Radiation Continuum Model of Light. Timeslip Phenomena - Accounts of timeslip phenomena: spontaneous glimpses of or interaction with the past or future. Puzzle of the Universe - An attempt at interpreting observations that main stream big bang theory failed to. Spacetime Relativity - This is an alternate cosmology not based on General relativity. Millennium Relativity - Introduces a new theory in relativistic physics to replace Einstein's special and general theories of relativity. The Inertial Mass - A geometric model by D. Acosta. Book and some fragments: English/Spanish. The Grand Unified Theory - A complete study of the relativistic motion of matter. In English and French. Mathematical Errors of the Special Relativity Theory - Disucsses mathematical errors in special relativity theory. Einstein's Equivalence Postulate and Spacelike Waves - James Constant argues that Einstein's equivalence postulate must be abandoned for the study of spacelike wave phenomena and gravitation. Riemann's Geometry and Newton's Gravitation - James Constant observes that Einstein's theory of gravitation, expressed as Riemannian geometry, cannot be reconciled with Newton's theory of gravitation. NCSA/LCA-Potsdam-WashU - International Numerical Relativity Group home page - Our group uses supercomputers to study black holes, gravitational waves, and other phenomena predicted by Einstein's Theory of General Relativity. Cambridge Relativity Group - Includes links to relevant conference announcements, brief descriptions of research areas, staff list and a publications index. Max-Planck-Institut für Gravitationsphysik - The Albert-Einstein-Institut (AEI), in Potsdam, is an institute of the Max-Planck-Gesellschaft, and carries out research in gravitational physics. LIGO Home Page - The Laser Interferometer Gravitational-Wave Observatory (LIGO) project is a pioneering effort to design and construct a novel scientific facility - a gravitational-wave observatory - that will open a new observational window on the universe. Queen Mary - QMW Hyperspace GR - A set of hypertext based services for general relativity research provided by the QMW Relativity group Syracuse Relativity Group - Includes staff information, descriptions of research being undertaken, information on colloquia and brief descriptions of relevant courses. Pennsylvania State University: Centers of Gravity - Includes lists of staff, publication lists, visitor information and event announcements, as well as brief descriptions of the research undertaken. Pittsburgh Relativity Group - Includes links to relevant conferences and magazine articles, a list of staff and online copies of paper preprints and theses. University of Texas at Austin - Center for Relativity - Includes a staff list, information on projects, seminar and publication lists, and related software information. Stanford U. - 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 relativity. Topical Interest Group on Gravitation - Includes a brief description of the group as well as its newsletters. U. Cape Town, South Africa Cosmology at the University of Kentucky - The group is primarily interested in the numerical simulation of large-scale structure formation and the development of robust statistical measures for describing the resulting distribution Italian Society on General Relativity and Gravitation -- SIGRAV London Relativity Seminars - Up-to-date list of talks given in the London Relativity Seminar series at the School of Mathematical Sciences of Queen Mary, University of London. (Abstracts of talks included.) Advanced Theoretical Propulsion Group - Group of scientists that study General Relativity and Warp Drive Australasian Society for General Relativity and Gravitation - Includes a newsletter, information on events, and links to related research groups. General Relativity Tutorial (John Baez) - This is bunch of interconnected web pages that serve as an informal introduction to general relativity. The goal is to demystify general relativity and get across the key ideas without big complicated calculations. Tensors and Relativity (Peter Dunsby) - A complete online course in tensors and relativity Relativity Tutorial - An illustrated guide to relativity Geometry Around Black Holes (Michael Cramer Andersen) - A WWW Exhibition in Relativistic Computer Dynamics and Visualization Falling into a Black Hole (Andrew Hamilton) - Fall into a black hole on a real free fall orbit. All distortions of images are real, both general relativistic from the gravitational bending of light, and special relativistic from the near light speed orbit. Space, Time, and Cosmology - Website for an online relativity class. Covers special relativity in depth and general relativity at a more qualitative level. Contains tutorial material, references, and links. Lecture Notes on General Relativity - Download lecture notes on special relativity, general relativity, differential geometry, and spherically symmetric space-times in postscript format. General Relativity: A Very Weird World - Site graphically explains the fundamentals of general relativity. Covers most aspects of the subject very well. Bondi K-Calculus - A simple derivation of Einstein's theory of relativity which is widely taught to undergraduate physics students. The mathematics required though make this easy for anyone to understand. Modern Physics Course - A second year course introducing special relativity and quantum mechanics. All of the lecture notes are posted online. General Relativity - This homepage contains lecture notes on the course of general relativity FX2/H97 read in the fall semester 1997 at the Physics Institute of NTNU, Trondheim Cosmology - This page contains information about the course Cosmology and exobiology read in the fall semester 1999 at the Physics Institute of NTNU, Trondheim Tensor Calculus and Continuum Mechanics - A free downloadable textbook on introductory tensor analysis and continuum mechanics, in PDF format, from Professor John J. Heinbockel at Old Dominion University. Introduction to Differential Geometry and General Relativity - A course from the Department of Mathematics at Hofstra University on differential geometry and general relativity. General Relativity and Cosmology - An online notes from the University of British Columbia featuring simple explanations of cosmological phenomena. Relativity and Cosmology - undergraduate course notes include both special relativity (e.g., spacetime, Lorentz invariance, various "paradoxes") and general relativity (e.g., equivalence principle, black holes, gravitational waves, experimental tests of gtr). Apparently a survey course for non-majors, with little math but some very nice graphics. Theory of Relativity - Website for an online relativity class. Covers special relativity in depth and general relativity at a more qualitative level. Contains tutorial material, references, and links. Cambridge Relativity - Non-technical descriptions of cosmology, black holes, cosmic strings, inflation, quantum cosmology, and string theory. Black Holes - A very thorough introduction, studies the Schwarzschild, Reissner-Nordstrom, and Kerr solutions using a variety of coordinate systems. Additional topics include gravitational collapse, horizons, singularities, Carter-Penrose diagrams (aka conformal compactification), Hawking radiation and black hole thermodynamics Lecture Notes on General Relativity (Sean Carroll) - Lecture notes for a one-semester course in General Relativity. Reflections on Relativity - Comprehensive presentation of the special and general theories of relativity. Modern Relativity - Over 50 sections explaining derivations in general relativity. Has a special relativity subsection, message board, and links. A First Look at Relativity and Gravitation - Includes lecture notes and question sheets. The Light Cone - An Illuminating Introduction to Relativity (by Rob Salgado) - a multimedia introduction to the theory of relativity Spacetime 101 (Patricia Schwarz) - some basic background covering how mathematical models of space and time have evolved since ancient times, from the Pythagorean Rule to Newtonian mechanics, Special Relativity and General Relativity. Special Relativity - A set of online lecture notes for a course in special relativity from the University of Winnepeg. Theory of Relativity Class - Learn about Einstein's Theory of Relativity online. The class covers cosmology, the Twin Paradox, space travel, and black holes. The Meaning of Einstein's Equations - An introduction to general relativity General Relativity and Cosmology for Undergraduates - An online draft copy of an undergraduate text book by John Norbury (PDF). Classical and Quantum Gravity - A journal for physicists, mathematicians and cosmologists working in the fields of gravitation and the theory of spacetime. (via IOP Publishing: Electronic Journals) Living Reviews in Relativity - A peer-refereed, solely online physics journal publishing invited reviews covering all areas of relativity research. Published by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Potsdam, Germany. Inertia Manipulation Through Metric Patching - Presents the exact solution for the stress-energy tensor of a spherical matter shell of finite thickness that will patch together different metrics at the boundaries of the shell. qr-qc: General Relativity and Quantum Cosmology - Los Alamos E-Print Archive Austrian Reports on Gravitation - 'Austrian Reports on Gravitation' is a series of papers concerning topical problems on gravitation theory. Theoretical Physics - Presents and reviews Relativity Theory, Quantum Physics, and Cosmogical concepts. 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. Time Travel Paradoxes - Closed temporal loop, thermodynamics,entropy, alternative universe and Ockham's Razor. Endeavor Into Time - Wormhole, space-time continuum, black hole, quantum foam and causality violation. 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. Chronus Project - Gravity, Einstein, Minkowski geometry, inertial reference frames, Galileo transformation, equations and diagrams. Traveling Through Time - Newton, Einstein, special relativity theory, quantum mechanics, equations, Lorentz factor, radius of Schwarzschild, wormholes, tunnel effect and parallel universe. The Relativistic Asynchronous Machine - Design of a hypothetic machine for travel into the future by Tilmann Schneider. Time Travel Truths - Thayer J. Hoff, a rebuttal. The Future of Time Travel - Guide, teleportation, temporal phasing and applications of nine-dimensional reality. Time Travel Reality - Parallel experiences, creational geometry, deja vu, spacetime continuum, Philadelphia Experiment, Bermuda Triangle and links. 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. Chronos Shrugged: The World of Time Travel - Introduction, myth, psychology, abstracts, ethics, experts, science, analysis, paradox, fun stuff, bibliography and links. A Course In Time Travel - Beginning 1-6, intermediate 7-13, advanced 14-28 and inner circle 29-50. Damanhur and Time Travel - Esoteric physics, sequence of events, temporal sea, energy and technology, how to prepare, editorials, travels and links. Evading Quantum Barrier to Time Travel - Einstein's special theory of relativity, warping of space-time, Misner space and chronology protection conjecture. 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. Time Travel and Einstein, Mysteries of the Universe and Aliens - Einstein, Minkowski's four dimensional space, Lorentz transformations, behavior of clocks and measuring rods in motion, cosmological difficulties of Newton's Theory, finite and infinite space. NOVA Online-Time Travel - Interview with astronomer and Pulitzer Prize-winner, Carl Sagan. Practical Time Travel - Steven Gibbs interview, letter from the future, timecops, portals, sleeper implants, men in black, fifth dimension, memories of the future, hyperdimensional resonator and schematic. 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. Taking the Cosmic Shortcut - The future, Einstein's special theory of relativity, the past, theory of gravitation, black holes, wormholes, negative energy and links. Time Travel - Simple explanation, black hole containment device, mathematics, energy equation, chaos and super string theories, power of the crystal, FAQ and links. Time Travel - The Grandmother Paradox - Discusses the possibility of associated paradoxes from a philosophical rather than purely scientific viewpoint, Mobius strip, bibliography and links. Time Travel and Paradox - Time lines, movements, parallel universes and dealing with phenomena. The Time Travel Fund[tm] - Q&A, sign up page and links. Time Travel: Is It Possible - Interview with Steven Gibbs, documented incident of possible time-slippage, scientific premises of possibility, warping time, cosmic strings, paradoxes, wormholes, black holes, movie and book reviews. Time Travel Methods - Warps, temporal projection, displacement and paradox loops. The Time Travel Page of James M. Deem - Retrocognition, precognition, deja vu and stories. Time Travel Presentation - Mathematical holism, equations and phenomenon. Time Travel Unusual - Newton, Einstein, relativity and links. Basic Introduction to Time Travel - Pythagoras, Einstein, Lorentz factor, paradox and cosmic censor. Breaking Time's Arrow - Einstein, Lorentz factor, black holes, angular momentum, rotational vortex theory, chronoton particles, dilation, parallel universes and paradoxes. Experiments to Change the Time Direction and the Rate of Time - Plasma electrolysis, electrogravitation, Tesla, Chernetsky, Puthoff, Alcubierre, Hertz, Quincke, Sumoto, wormholes, space time curvature, multiverse, chronology principal and temporal displacement. 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. Rotating Universes and Time Traveling - Thesis, Mach's principle, Einstein's general relativity, equation and diagram. 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. Time Travel - A Discussion - Hyperspace, space-time continuum, black holes, wormholes, parallel universes, quarks, tachyons, quantum and super string theories. Time Travel Examined - Paradox, Newton, Einstein, Godel, rotation and negative energy. Time Travel, Seriously - Paradox, black holes and wormholes. Time Travel: There's No Time Like Yesterday - Galilean transformation, special relativity, equations, diagrams, Schwarzschild's black hole, quantum foam, chronology protection conjecture, causality and paradox. BBCi - Space - Time Travel - Gravity, black holes, singularity and mini wormholes. Is Time Travel Possible - Black holes, space-time continuum, paradoxes, quantum theory, alternative universes and suspended animation. Quantum Time Travel - Kip Thorne, wormholes, superposition, time translation and stasis field. TIME LOOPS - An interview with Paul Davies, paradox, wormhole, black hole, Newtonian mechanics and quantum computations. Time Travel - Fact or Fiction - The science fiction paradigm, conservation laws, general relativity, paradoxes, tachyons and graphs. Time Travel and Modern Physics - Paradox, Cartesian product, closed time-like curves, partial Cauchy surface, acyclic lattice, glancing blow continuations, multiple wormhole traversals, equations and diagrams. Alternative Answers - Faster than light travel, time lines, paradox and big bang theory. The Time Machine - Einstein's theory, special relativity, communication faster than light, quantum cosmology, interview with Carl Sagan and links. Time Travel Institute - Discussion forum, theories and concepts, mass media, around the world and the store. Nasty Little Truth About Spacetime Physics - Debunks the idea that we are moving through time toward the future or any other direction. Nothing can move in spacetime. Time does not change. Rubak.com: Is Time Travel Possible - Article examining this controversial situation. Read and add your response. 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, research directions and conclusions. Cosmos Time - Theory in the relation between time and space. Branes for Relativists - The purpose of this manuscript is to provide a pedagogical account of the brane technology so that the relativists can use branes in their study. 2001: A Spacetime Odyssey - A lecture on colliding branes and the origin of the hot big bang by Paul Steinhardt The search for extra dimensions - A review of higher dimensional universes and the effects on gravity. A Cyclic Universe - An article from Sky & Telescope on the ekpyrotic universe model. A Recycled Universe - A scientific american article on the brane-world models of the Universe Searching for Extra Dimensions - A one page article on the search for evidence of higher dimensions. Special Relativity at Colorado University - This site offers a very detailed explanation of special relativity, with emphasis on paradoxes and generally accepted theories. Dave's Relativity Page - "Time Flies When You're Going Nowhere" is dedicated to special relativity, including FTL (faster than light) travel and length contraction. Relatively Simple - Special Relativity made Relatively Simple offers information and experiments about special relativity. WebMath Special Relativity Demonstration - A computer aided demonstration of what a wire frame house , tree, and stick figure would like like at any speed and any direction. Relativity and the Ether - Introductory articles. Michelson-Morley experiment based on Galiean transformations. Computer experiments with EM waves showing relation between Lorentz transformations and DeBroglie waves. C-Ship - A short overview of special relativity, filled with relativistic ray traced images. Explains relativistic effects using a theoretical spaceship. Special Relativity - A brief overview of the theory of special relativity, and how it pertains to particles at SLAC (Stanford Linear Accelerator) Twin Paradox - An article explaining how the supposed twin paradox can be easily explained by special relativity. Special Relativity made Simple - A non-mathematical introduction to the concepts of special relativity. Jim Doyle's Special Relativity Pages - A growing collection of pages on special relativity, including Special Relativity in under 15 Minutes! Numerical hydrodynamics in special relativity - This review is concerned with a discussion of numerical methods for the solution of the equations of special relativistic hydrodynamics How Stuff Works: Special Relativity - The major principles of special relativity (SR) are discussed in an accessible way, via 5 segments, to help you understand the lingo and theories involved. Relativity and Acceleration. - A fairly non-mathematical treatment of special relativity and its application to acceleration and rotation. Special Theory of Relativity - Presents an analytical assessment of the kinematics of special relativity. Einstein's Special Theory of Relativity - A quick guide to Einstein's Special Theory of Relativity, with reference to the relativity of simultaneity, from the perspective of someoone who doesn't agree with special relativity Emotional exercises for the Special theory - This site explores the Special Theory using an approach that doesn't seem to have been used elsewhere. It doesn't involve mathematics and gives a true sense of the situation. Special Relativity - A unit for an online relativity textbook explaining special relativistic mathematical physics. To Understand Relativity - The fundamentals of Relativity (light speed constancy, time dilation and length contraction) are not mysteries. They can be explained easily, so that everyone can understand Relativity. Is Travel Faster Than Light Possible? - From: Scientific American: Ask the Experts: Physics Minkowski spacetime - Minkowski's spacetime concept explained.[PDF] Karl Schwarzschild - A brief biography with reference to contemporary mathematicians and theories. Hermann Minkowski - A brief biography with quotations and a bibliography. Hendrik Lorentz - Brief biography. Aleksandr Friedmann - A biography with reference to contemporaries, and a list of references. Hermann Weyl - One of the first people to combine general relativity with the laws of electromagnetism Karl Schwarzschild - The man who solved Einstein's equations and predicted the existence of black holes Marcel Grossmann - A brief biography on Marcel Grossmann, a classmate of Einstein who was the first to find a connection between tensor calculus and the theory of relativity. Georg Riemann - Although he died before the development of general relativity, his work in non-Euclidean geometries is very important to studying a curved spacetime. Willem DeSitter - Mathematician who studied solution to general relativity and developed DeSitter space Georgio Ricci-Curbastro - The mathematician who developed much of tensor calculus before Einstein found a use for it. Luigi Bianchi - A mathematician who developed many theorems regarding Riemannian geometry Stephen Hawking: A Life in Science - Complete text of the book by Michael White and John Gribbin, which tells the story of Hawking's life. Reason: Leaping the Abyss - Interview in which Stephen Hawking discusses black holes, unified field theory, and Marilyn Monroe. Stephen Hawking - Includes biographical details, news, information on his disability, and lecture transcripts. Stephen Hawking, The Big Bang, and God - Transcript of a speech by Dr. Henry Schaefer addressing 'A Brief History of Time' from a Christian perspective. Hawking Radiation - Classically, black holes are black. Quantum mechanically, black holes radiate, with a radiation known as Hawking radiation, after the British physicist Stephen Hawking who first proposed it. Black holes - Portal linking to sites about very high density objets: black holes, neutron stars ... Stringy Black Holes - A set of lecture notes with a very good section on black holes, as well as current work in string theory. Black Holes and Beyond - A brief description of Black Holes for the layman Black Holes and Mysteries of the Cosmos - Everything you wanted to know about Black Holes and Mysteries of the Cosmos, but were afraid to ask! Black Holes: A general introduction - This article presents in a pictorial way the basic concepts of black hole's theory, as well as a description of the astronomical sites where black holes are suspected to lie. Geometry Around Black Holes - An exhibition on relativistic computer dynamics used to present the theory of black holes. Kerr's Rotating Black Holes. - A brief mathematical description of this phenomenon and diagrams of the mathematical results. Gravitational Redshift - An overview of the effects on light in the presence of a black hole. General Relativity and Black Holes - A set of notes on aspects of black holes. Introduction to Black Hole Microscopy - The aim of these notes is both to review the standard understanding of the Hawking effect. The fundamentals of the Unruh effect are reviewed, and then the Hawking effect is explained as a ``gravitational Unruh effect". Black Holes - A review of the theory and history of black holes. Quantum Geometry and Black Holes - Non-perturbative quantum general relativity provides a possible framework to analyze issues related to black hole thermodynamics from a fundamental perspective. Modern Research by Eduard Westra - Research done about low mass black holes. On the level of 2nd year astronomy students. Black Holes made Simple - An overview of modern research in black holes without the use of mathematical equations. Cambridge Relativity - Black Holes - An overview of black holes and information on current research from Cambridge Black Hole Recipe: Slow Light, Swirl Atoms - Physicists may soon create artificial analogs of black holes in the laboratory. Schwarzschild's Spacetime - A site explaining the Schwarzschild solution and how it leads to black holes. Higher Dimensional Chern-Simons Theories and Topological Black Holes - It has been recently pointed out that black holes of constant curvature with a "chronological singularity" can be constructed in any spacetime dimension. In this paper, a brief summary of these new black holes is given. Schwarzschild Geometry - The Schwarzschild geometry describes the spacetime geometry of empty space surrounding any spherical mass. Black Holes - We review the observational evidence for black holes, and briefly discuss some of their properties. We also describe some recent developments involving cosmic censorship and the statistical origin of black hole entropy Black Holes and Naked Singularities - This article gives an elementary review of gravitational collapse and the cosmic censorship hypothesis. Known models of collapse resulting in the formation of black holes and naked singularities are summarized. Quantum Fields Near Black Holes - This review gives an introduction into problems, concepts and techniques when quantizing matter fields near black holes. The first part focusses on quantum fields in general curved space-times. The second part is devoted to a detailed treatment of the Unruh effect in uniformly accelerated frames and the Hawking radiation of black holes Do Black Holes Exist in our Universe? - Theory of black hole formation, observational effects and black hole candidates. Articles on 9 sub-topics. Part of the curriculum of the astronomy students of the Rijksuniversteit Groningen, Netherlands. FAQ to SCI.PHYSICS on Black Holes - An FAQ list by Matt McIrvin containing basic questions and answers related to black holes. The Net Advance of Physics: Black Holes - A set of links to numerous black holes resources on the Web. A great starting point to finding some advanced papers on the topic. Jillian's Guide to Black holes - This site offers a comprehensive and nontechnical description of black holes, their evolution, structure and environment. Do Black Holes Exist ? - Science popularization article on black holes. Jillian's Guide to Black Holes - An informal introduction to types, formation, and environment. About Astronomy and Space - Black Holes - Find articles, information, and web sites about these theoretical cellestial objects, formed when a massive star collapses from its own gravity. Imagine Science: Black Holes - A service of the High-Energy Astrophysics Learning Center. A nice introduction to black holes. Intended for ages 14 and up. Falling into a Black Hole - This is a website that describes the geometry of a black hole and what would happen if one were to fall into one. Black hole studies to verify Einstein's theory - article by Randall Graham, Science Writer Relativity Tutorial - an illustrated introductory guide to relativity skinny monkey takes a look at black holes - a brief overview of black holes - the maths that allows and describes them, their formation, and their weird properties. Black Holes: Portals into the Unknown - An interactive journey into a black hole. Anatomy of A Black Hole - From the University of Illinois. Educational sequence suitable for high school students. Black Holes to Blackboards-God Divided by Zero - Laying your hands on a black hole is hard (and dangerous) to do, but there are ways to understand these objects and avoid the pain of dimension-bending. A Black Hole FAQ - A good list of FAQ questions with detailed answers. Black Holes: General Information - Learn about the amazing phenomenon that is a black hole. Virtual Trips to Black Holes and Neutron Stars - Here you will find descriptions and MPEG movies that take you on trips to black holes and neutron stars. These movies are scientifically accurate computer animations using Einstein's General Theory of Relativity. Black Hole : The Death of a Star - A ThinkQuest project Black Hole FAQ - Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull Black Holes - A one hour lecture given to senior liberal arts students on the concepts surrounding black holes Black Holes - Lecture notes for a course on Black Holes given at Cambridge. The course covers some of the developments in Black Hole physics of the 1960s and 1970s. Black Holes - Basic ideas and descriptions of what black holes are and if white holes exist. Project 2000: Black Holes - Pictures, diagrams, and explanations of black holes in an easy to understand format. Good site for someone doing research on black holes for a report or project. Big Bang - A book outlining the Yilmaz refinement of Einstein's theory which eliminates black holes and the big bang. Black Holes, Mysterious Objects in Space - Elementary information about black holes, including how they are observed, what happens to particles entering one, and a description of their close relatives, neutron stars. How Stuff Works: How Black Holes Work - What are black holes? Do they really exist? How can we find them? A Black Hole on the Desk - By putting a black hole into a familiar environment like a desk, one may experience what `curvature of space' means in a new way, understanding the cosmological effects of light bending and gravitational lenses from this playground. XMM: Black Holes and Quasars - Educational site on the Birmingham Uni XMM website. Geometry Around Black Holes - A very basic web site on the geometry of black holes and what they would theoretically look like in space time. Black Holes - Observational evidence of black holes from Cambridge. Black Hole Entropy and Quantum Gravity - An elementary introduction is given to the problem of black hole entropy as formulated by Bekenstein and Hawking. The Thermodyanmics of Black Holes - This review includes discussion of classical black hole thermodynamics, Hawking radiation from black holes, the generalized second law, and the issue of entropy bounds. Hawking Radiation - A brief overview of Hawking radiation Black Hole Thermodynamics - An simple introduction to black hole thermodynamics Introductory Lectures on Black Hole Thermodynamics - A review of black hole thermodynamics Black Hole Evaporation - A tutorial in the actual computation of Unruh, Hawking, Gibbons and other radiation Quantum Aspects of Black Holes - A brief introduction to quantum aspects of black holes. Orbits in Strongly Curved Spacetime - A JAVA applet which simulates the orbit of a low mass test particle orbitting a non-rotating black hole. Black Holes Simultions - A series of images and simulations of various phenomena associated with a black hole Numerical Relativity - A review of recent developments in numerical relativity, focussing on progress made in 3D black hole evolution. The Black Earth or - How would our home planet look like if 2500 solar masses would be compressed into the volume of our home planet? A quick tour with photorealistic images in highly curved spacetime, close to the event horizon, inluding a short stop at the Photon Orbit. Relativistic Disk Images - A series of images which represent an accretion disk around a black hole as it would appear to a distant observer. A relativistic ray-tracer calculated the photon trajectories. White Holes and Worm holes - An illustrated overview of the lesser known forms of Schwarzschild geometry. Wormholes and Time Machines - An overview of the effects of a wormhole and the models of time travel machines which use wormholes. Traversable Wormholes - A review of Kip Thorne's research into traversable wormholes APOD Index - Stars: Black Holes - A list of black holes pictures from NASA's "Astronomy Picture of the Day" archive. Fireworks in a Black Hole Near the Core of the Seyfert Galaxy NGC 4151 - photos and background information The Search for Black Holes - A brief overview of black holes, information about the discovery of Cygnus X-1, and a short list of links relating to black holes and astronomy. General Relativity - A brief overview of general relativity in non-technical terms. General Relativity - A laymen's guide to the theory of General Relativity. Relativity in a Wormhole - A set of pages produced by students to educate the general public on the theory of relativity and its implications General Relativity - A brief history of the development of general relativity with hyperlinks to biographies of each contributor. Basic Gravity - The mechanisms of gravity, gravity wells and black holes explained from the viewpoint of relativity. Relativity, Space and Time - Science popularization article on the Theory of Relativity. Virtual Relativity - A project to create a computer program that simulates relativistic motion. Free Download for Windows 9.x , Silicon Graphics, and soon Linux. Relativistic Starflight - The program xrel depicts, as realistically as possible, the appearance of stars as seen from a starship moving at speeds close to the speed of light. Relativistic Flight Simulation - A collection of links to various programs which simulate the effects of relativity Backlight - BACKLIGHT is a photorealistic relativistic visualisation system. Developed at the Australian National University by undergraduate student Antony Searle , it produces images and videos demonstrating the optical effects of special relativity. Numerical Relativity Exhibitions - What if you take a supercomputer and put it to work on Einstein's theory of relativity? You'll get an incredible series of images representing black holes, gravity and Einstein's equations. This is what happens at the "Numerical Relativity Exhibition", a site from the National Center for Supercomputing Application. Take a peek at this trip into the heart of the universe. OpenGL Relativistic Spacetime Project - A real time relativity simulator for Windows, Linux and OS/2, using OpenGL. The Cactus Code - A modular manageable high-performance 3D tool for Numerical Relativity. Warp Special Relativity Simulator - A windows program to show you the weird effects of special relativity. Relativistic Ray Traced Images - Features visualization of relativistic deformation effects of a spaceship like object. Topological Defects - A site with links to papers and workshops on topological defects in cosmology Cosmic Strings and other Defects - A series of articles on topological defects in the universe Topological Defects in Cosmology - A review by Ajit M. Srivastava of various topological defects in particle theoryu models of the early universe (in PDF format). Topological Defects - This is an introductory set of lecture notes on topological defects, given to an audience with interests ranging from astronomy to particle physics. Formation, Interaction and Observation of Topological Defects - A survey of defect distributions in first-order phase transitions, by Tanmay Vachaspati. Topological Defects and Cosmology - A review of the effects of defects in cosmology, by Robert H. Brandenberger. Cosmic Strings - A review by M.B. Hindmarsh and T.W.B. Kibble of the physics which predicts the properties of cosmic strings and topological defects. netmation.com | netmation.net | netmation.org | netmation.tv Copyright © 1991-2005 Netmation Inc. All Rights ReservedSite Designed and Hosted by Netmation Inc.