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 * bottom of pg-annotated bib. (MLA citation, annotation, MLA citation, annotation,...)

**__ Theory of Relativity __** **** **After the many scientists studied and proved Albert Einstein's Theory of Relativity, it's hard for society to reject since the scientists have created sub-parts of the theory, the several laws and principles, and all the areas of physics (science) it covers. **

The theory was proposed by Albert Einstein 1905, both special and general to prove the theory was consistent. Two years later he published his first article on the gravitational effects on light under special relativity. An example of the theory would be observing an experiment on the Earth, with gravitational acceleration //g,// and how it would be identical to observing an experiment in a rocket ship that moved at the speed of //g.// Einstein's theory states that if you wanted to travel from New York City to Rome, you would think if you walked directly east, and continued straight, foot in front of foot, you would end up in Rome, but actually you would end up somewhere in the Middle of Africa.

__The mathematical formula for his theory is: __ // (curvature of space-time) = (mass-energy density) * 8 pi G / c4   //

//** General and Special Theory of Relativity:  **// 

An example of the General theory would be if you took a bed-sheet and attached the corners firmly to some secured posts. Then you begin to place items of various weights on the sheet. If you place something very light, the sheet will curve downward under the weight of it a little bit. If you put something heavy, the curvature would be even greater. General relativity is the theory of the behavior of space and time to study matter and their interation with other things and to help predict their motions. In General relativity spacetime is curved in response to the effects of matter. General relativity is also the theory of gravity. Special Relativity was developed first of the two.

It applies to objects that are moving near the speed of light.
 * // Laws and Principles: //**

**The theory brought a radical change in the concepts of space and time, which scientist thought of as absolutes. Empty space can expand, curve or contract depending on how close you are to a large object, and the rate that time passes at can also change. GPSs (Global Posistioning Systems) involve high-precision relativistic effects which are used in many peoples everyday lives.
 * // Effects of the Theory: //

**Albert Einstein's theory of relativity changed physics and astronomy entirely. It was one of the most successful developments in the history of science, and fixed many of the unanswered problems of science.**
 *  **

<span style="display: block; font-family: 'Trebuchet MS', Helvetica, sans-serif; text-align: left;">//**<span style="font-family: Arial, Helvetica, sans-serif;"> Citations and Annotations: **// <span style="display: block; font-family: 'Trebuchet MS', Helvetica, sans-serif; text-align: left;"> > <http://www.pbs.org/wgbh/nova/einstein/relativity/>.
 * Felder, Gary. "Bumps and Wiggles: An Introduction to General Relativity." __Bumps and Wiggles: An Introduction to General Relativity__. 2003. 27 Jan. 2009 http://www4.ncsu.edu/unity/lockers/users/f/felder/public/kenny/papers/gr1.html.
 * This site
 * Lightman, Alan. "NOVA | Einstein's Big Idea | Relativity (Lightman Essay) | PBS." __PBS__. 27 Jan. 2009
 * This site