While most physicists today accept basic principles of the theory of relativity, "physicists are convinced they are incomplete, and are determined to discover precisely where they fail.<ref>"Weighing the Universe," The Economist (Jan. 25, 2007).</ref> In January 2007, a group of scientists assembled at the University of Arizona in Tucson, Arizona, for a conference entitled “Rethinking Gravity.”
Evidence against the theory of relativity includes the following:
Evidence against the theory of relativity includes the following: