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In physics, mass–energy equivalence is a concept formulated by Albert Einstein that explains the relationship between mass and energy. It expresses the law of equivalence of energy and mass using the formula
E = mc2
where E is the energy of a physical system, m is the mass of the system, and c is the speed of light in a vacuum (about 3×108 m/s). In words, energy equals mass multiplied by the speed of light squared. Because the speed of light is a very large number in everyday units, the formula implies that any small amount of matter contains a very large amount of energy. Some of this energy may be released as heat and light by chemical or nuclear transformations. This also serves to convert units of mass to units of energy, no matter what system of measurement units is used....
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In physics, mass–energy equivalence is a concept formulated by Albert Einstein that explains the relationship between mass and energy. It expresses the law of equivalence of energy and mass using the formula
E = mc2
where E is the energy of a physical system, m is the mass of the system, and c is the speed of light in a vacuum (about 3×108 m/s). In words, energy equals mass multiplied by the speed of light squared. Because the speed of light is a very large number in everyday units, the formula implies that any small amount of matter contains a very large amount of energy. Some of this energy may be released as heat and light by chemical or nuclear transformations. This also serves to convert units of mass to units of energy, no matter what system of measurement units is used....
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Albert Einstein, Relativity Theory - 1905
Albert Einstein was a German-born theoretical physicist. Einstein developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy of science... |
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The Principle of Relativity, Einstein
The book is a chronology of the development of the theory of Relativity. Starting with Lorentz' papers on Michelson's interference experiment and electomagnetic phenomena in moving frames of reference, the book follows the rapid development of the su... |
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