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Created by miholc on 6/14/2010

To account for this, the Irish physicist George Francis FitzGerald, and the Dutch physicist Lorentz independently suggested that all lengths (of the stands, for example, holding the mirrors reflecting the light beam whose velocity through the 'ether' was being measured) contract in the direction of motion (the 'FitzGerald-Lorentz contraction'), and had developed a mathematical formula to describe the effect of motion on various types of measurement. ^en

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To account for this, the Irish physicist George Francis FitzGerald, and the Dutch physicist Lorentz independently suggested that all lengths (of the stands, for example, holding the mirrors reflecting the light beam whose velocity through the 'ether' was being measured) contract in the direction of motion (the 'FitzGerald-Lorentz contraction'), and had developed a mathematical formula to describe the effect of motion on various types of measurement.

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Monday, June 14, 2010 1:14 AM

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miholc

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miholc

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/m/0c0qt0x

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Thursday, May 23, 2013 10:45 PM

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Albert Einstein

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It had also proved impossible to measure the expected changes in the speed of light relative to the motion of the Earth, and in 1881 and 1887 the Michelson-Morley experiment had proved conclusively there was no 'ether,' and that the velocity of light does not vary with the motion of either the source or the observer.

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Einstein began his work on relativity by making two assumptions.

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