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 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.
A collection of articles about relativity
An experiment at the University of Washington seeks to determine whether the gravitational binding energy of an object generates gravity of its own.
We are a group of physicists and astronomers working on a 5-dimensional version of general relativity.
Mathematical derivation of gravitational waves to quadrupole order in the Brans-Dicke scalar-tensor and Rosen bi-metric theories of gravity.
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.
We present pictorial means of distinguishing contravariant vectors (or simply vectors) from covariant vectors (or linear forms).
A collection of equations important to both special relativity and general relativity.
This site contains a comprehensive introduction to the basic ideas and tests of general relativity
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