Alternative
A model for space-time, Absolute Motion, Absolute Velocities: The Detailed Predictions of t, Access to a Physical Understanding of Gravitation, Aetherometry, Alternate Theory of Relativity, An Alternative View of the Stucture of Time, Apparent Lack of Symmetry in Stellar Aberration an, Cosmodynamics -A global theory of Gravity derived , CPQM theory
Articles
Can the Equivalence Principle be Violated?, General relativity in the global positioning syste, Supernova Cosmology (Edward Wright)
Black Holes
Education, Observations, Simulations, Thermodynamics, Wormholes, About Astronomy and Space - Black Holes, Black Hole Recipe: Slow Light, Swirl Atoms, Black holes, Black Holes, Black Holes and Naked Singularities, Black Holes made Simple, Black Holes: A general introduction, Cambridge Relativity - Black Holes, Developments in General Relativity: Black Hole Sin, Do Black Holes Exist ?
Courses and Tutorials
A Short Course on General Relativity, Black Holes, Bondi K-Calculus, Caltech's Physics 237-2002 - Gravitational Wa, Cambridge Relativity, Cosmology, Einstein's Gravitational Field Equations, Falling into a Black Hole (Andrew Hamilton), General Relativity, General Relativity and Cosmology
Journals and Preprints
Austrian Reports on Gravitation, Classical and Quantum Gravity, Inertia Manipulation Through Metric Patching, Living Reviews in Relativity, qr-qc: General Relativity and Quantum Cosmology, Theoretical Physics
Overviews
General Relativity, General Relativity, Mathematical Basis of General Relativity Quantum T, Principles of Relativity Illuminated, Relativity in a Wormhole, Relativity, Space and Time, Spacetime
People
Hawking, Stephen, Aleksandr Friedmann, Georg Riemann, Georgio Ricci-Curbastro, Hendrik Lorentz, Hermann Minkowski, Hermann Weyl, Karl Schwarzschild, Karl Schwarzschild, Luigi Bianchi, Marcel Grossmann
Research Groups
APS Topical Interest Group on Gravitation, Australasian Society for General Relativity and Gr, Cambridge Relativity Group, Center of Applied Space Technology and Microgravit, Cosmology at the University of Kentucky, International Numerical Relativity Group, Italian Society on General Relativity and Gravitat, LIGO Home Page, London Relativity Seminars, Max-Planck-Institut für Gravitationsphysik
Simulators
Backlight, Numerical Relativity Exhibitions, OpenGL Relativistic Spacetime Project, Relativistic Flight Simulation, Relativistic Ray Traced Images, Relativistic Starflight, The Cactus Code, Virtual Relativity, Warp Special Relativity Simulator
Special Relativity
Beneath the Foundations of Spacetime, C-Ship, How Do You Add Velocities in Special Relativity?, How Stuff Works: Special Relativity, Imaginary in all directions, Is Travel Faster Than Light Possible?, Jim Doyle's Special Relativity Pages, Lorentz Contraction and Accelerated Systems, Nothing but Relativity, Quaternions in University-Level Physics Considerin
Time Travel
A Discussion on Time Travel, A New Concept of Time Travel, Alternative Answers, Apocalyptic Visions of the Past, Astral Time Travel, Basic Introduction to Time Travel, BBCi - Space - Time Travel, Breaking Time's Arrow, Chronos Shrugged: The World of Time Travel, Chronos: The Future of Time Travel
Topological Defects
Cosmic Strings, Cosmic Strings and other Defects, Formation, Interaction and Observation of Topologi, Topological Defects, Topological Defects, Topological Defects and Cosmology, Topological Defects in Cosmology
An Essay on General Relativity
This site contains a comprehensive introduction to the basic ideas and tests of general relativity
Are There Pictorial Examples of Covariant and Cont
We present pictorial means of distinguishing contravariant vectors (or simply vectors) from covariant vectors (or linear forms).
Derivation of gravitational waves in Einstein, Bra
Mathematical derivation of gravitational waves to quadrupole order in the Brans-Dicke scalar-tensor and Rosen bi-metric theories of gravity.
Experimental Gravitational Physics Using Drag-Free
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 relativity have been derived in the appendices.
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.
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.
Handbook of Space Astronomy and Astrophysics - Rel
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.
Mark Roberts Homepage
Useful information and links on relativity, quantum theory, and cognition.
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
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
Relativity Forum
Forum devoted to discussing the Einstein's special and general theories of relativity.
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 Dimensi
This is a Mathematica notebook showing how to plot light cones in two plus one spacetime dimensions with a point mass.
Southampton GR Explorer
An introduction to Einstein's theory of General Relativity and related topics. These pages include informative text, pictures and movies.
The 5D Spacetime Consortium
We are a group of physicists and astronomers working on a 5-dimensional version of general relativity.
The Cosmological Constant
An overview of why Einstein added an extra term in general relativity, and why it is still examined.
The Special Theory of Relativity
Self-tutorial with short essays, questions and answers.
Why Time is Absolute, and Relative, But Never Univ
An article by Vincent Sauvé elaborating upon a materialist view of the absolute and relative nature of time.