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One can argue that the theory of relativity is the most influential idea in physics. It helps to define space and time, and offers explanation of certain cosmic phenomena. This theory was proposed by Galileo, and tested and confirmed by Albert Einstein. The theory of relativity is applied to modern science in physics, cosmology, and philosophy. The chief application of the theory of relativity is in physics. It allows physicists to establish the constancy of the speed of light (Wright). The theory of relativity enables scientists to either confirm or manipulate Newton's laws of motion to various extreme conditions (Wright). Additionally, this theory can be expanded to state that the laws of physics remain the same in any inertial environment ('Theory: Special Relativity"). By applying the theory of relativity, physicists and other scientists are better able to understand and interpret natural processes, even under the most extreme conditions. A secondary application of the theory of relativity is cosmology, or the study of space. The theory of relativity helps to define the space-time continuum. According to Wright, "Events that are simultaneous as seen by one observer are generally not simultaneous as seen by other observers, so there can be no absolute time."



motion based on location photo courtesy http://archive.ncsa.uiuc.edu/Cyberia/NumRel/Images/elevators.jpeg

This principle is a keystone of physics, as mentioned above, but also cosmology and science in general. The theory of relativity helps observers utilize tools such as radar and timing devices to study the universe at large. Further, the theory of relativity postulates that a uniform gravitational field is equivalent to a uniform acceleration ("General Relativity"). The theory of relativity helps to explain phenomena in the cosmos and has allowed humans to gain insight into the inner workings of their universe. A tertiary, and less scientific application of the theory of relativity is in philosophy. Physics is a natural extension of philosophy which addresses and a natural level what philosophers ponder on an intellectual level. By establishing the space-time continuum ("Theory: Special Relativity"), people are able to better understand how and why the universe exists. Since the theory states, in layman's terms, that time is relative, people can establish scientifically that the universe began with a single event. Utilizing the theory of relativity has enabled philosophers to create some dimension from which to base their thinking. Physics, cosmology, and philosophy are three areas of thought that can be clarified using the theory of relativity. By applying its principles, scientists can establish a core of events which led up to the world known today. This complex theory helps simplify many occurrences and unique phenomena which otherwise would be incalculable. The theory of relativity, more than any other postulate, has defined the natural world.

general relativity photo courtesy http://news-service.stanford.edu/news/2005/may11/gifs/gpb_geodetic.jpg.

Works Cited: "General Relativity." __NCSA Web archive bounce page__. 27 Jan. 2009 .

Offers an overview of the theory of relativity. Accredited institution ensures veracity of information. Application examples enable understanding. A good general source.

"Theory: Special Relativity (SLAC VVC)." __SLAC Public Website Server__. 27 Jan. 2009 .

This site describes in detail, special relativity, the firt part of Einstein's Theory of Relativity. It also explains the speed of light, and it's importance in the theory. The article is not biased, but purely factual. It also provides the reader with all of the "basic" equations that he used in creation of special relativity.

Wright, Edward. "Relativity Tutorial." __UCLA - Division of Astronomy & Astrophysics__. 27 Jan. 2009 .

Objectively asseses general and special relativity. Wright applies real world examples to enable easier understanding of this complex theory. Other sources are documented, enabling corroboration of information. Generally, an excellent overview source.