The Equivalence Principle Article from NASA about the equivalence principle (which was one of the basic axioms used to develop general relativity) and various experiments that have been and will be undertaken to test its validity. http://science.nasa.gov/headlines/y2007/18may_equivalenceprinciple.htm Nasa.gov~Site InfoWhoisTrace RouteRBL Check
Relativity at the Centenary Article by Clifford Will in Physics World about the way that gravitational physics has become a truly experimental science as tests of the special and general theories of relativity reach new levels of precision. http://physicsworld.com/cws/article/print/21148 Physicsworld.com~Site InfoWhoisTrace RouteRBL Check
Eotvos and Novel Equivalence Principle Test Describes proposed experiments to test whether the equivalence principle is violated when test masses of different chirality are used (parity violation). By Alan M. ("Uncle Al") Schwartz. http://www.mazepath.com/uncleal/eotvos.htm Mazepath.com~Site InfoWhoisTrace RouteRBL Check
Relativity in the Global Positioning System Thorough review article by Neil Ashby (University of Colorado) about the various relativistic effects that play a role in the operation of the Global Positioning System and other satellite navigation systems. Published in Living Reviews in Relativity. http://relativity.livingreviews.org/Articles/lrr-2003-1/index.html Livingreviews.org~Site InfoWhoisTrace RouteRBL Check