The Wotch Directory
Science > Physics > Relativity



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* Black Holes
An Essay on General Relativity
This site contains a comprehensive introduction to the basic ideas and tests of general relativity
http://astro.physics.sc.edu/selfpacedunits/Unit57.html
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).
http://arxiv.org/abs/gr-qc/9807044
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.
http://www.davis-inc.com/relativity
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 crystal growing and compound formation, and investigation of time variations of Terrestrial inertial field and the geophysical consequences.
http://dulkyn.org.ru
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.
http://www.dragfreesatellite.com
General Relativity Simulation Contest
The purpose of this Contest is to prove General Relativity using a (simple) algorithm.
http://users.pandora.be/nicvroom/contest.htm
Gravitational Lensing
A popular site with interactive demonstrations of gravitational lensing. The background material is at a graduate level
http://www.iam.ubc.ca/~newbury/lenses/lenses.html
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.
http://arxiv.org/abs/physics/9908041
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.
http://www.aip.org/enews/physnews/1999/split/pnu454-1.htm