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Robert H. Wald, Ronald J. Adler, "Relativity", in AccessScience@McGraw-Hill, [|http://www.accessscience.com], DOI 10.1036/1097-8542.580100.
 * Theory of Relativity **
 * Theory of Relativity ** is a general theory of physics, primarily conceived by Albert Einstein, which involves a profound analysis of time and space, leading to a generalization of physical laws, with far-reaching implications in important branches of physics and in cosmology. Historically, the theory developed in two stages. Einstein's initial formulation in 1905 (now known as the special, or restricted, theory of relativity) does not treat gravitation; and one of the two principles on which it is based, the principle of relativity (the other being the principle of the constancy of the speed of light), stipulates the form invariance of physical laws only for inertial reference systems. Both restrictions were removed by Einstein in his general theory of relativity developed in 1915, which exploits a deep-seated equivalence between inertial and gravitational effects, and leads to a successful “relativistic” generalization of Isaac Newton's theory of gravitation.


 * Essential Question: ** How does the theory of relativity impact the world of science?

**Research Options:

1. Evaluate the status of the theory of relativity based on current research.** 


 * 2. Analyze the positive or negative impacts of the theory of relativity on society.**