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Optical tests of the isotropy of the speed of light became commonplace. [A 35] New technologies, including the use of lasers and masers, have significantly improved measurement precision. (In the following table, only Essen (1955), Jaseja (1964), and Shamir/Fox (1969) are experiments of Michelson–Morley type, i.e., comparing two perpendicular ...
Albert Abraham Michelson (surname pronunciation anglicized as Michael-son; December 19, 1852 – May 9, 1931) was a German-born American physicist known for his work on measuring the speed of light and especially for the Michelson–Morley experiment.
Michelson's final 1931 attempt to measure the speed of light in vacuum was interrupted by his death. Although his experiment was completed posthumously by F. G. Pease and F. Pearson, various factors militated against a measurement of highest accuracy, including an earthquake which disturbed the baseline measurement.
Michelson–Morley (1887), more conclusive than the original experiment by Michelson (1881) and difficult to reconcile with their experiment of 1886, or other first-order measurements; Kaufmann’s 1906 repetition of his 1902 experiment, because he claimed to contradict the model of Einstein and Lorentz, considered consistent with the data from ...
Albert Abraham Michelson (1913) and Quirino Majorana (1918/9) conducted interferometer experiments with resting sources and moving mirrors (and vice versa), and showed that there is no source dependence of light speed in air. Michelson's arrangement was designed to distinguish between three possible interactions of moving mirrors with light: (1 ...
The other two fundamental tests are Michelson–Morley experiment (proves light speed isotropy) and Ives–Stilwell experiment (proves time dilation) 1934 – Georg Joos publishes on the Michelson–Gale–Pearson experiment, stating that it is improbable that aether would be entrained by translational motion and not by rotational motion.
Many tests of special relativity such as the Michelson–Morley experiment and the Kennedy–Thorndike experiment have shown within tight limits that in an inertial frame the two-way speed of light is isotropic and independent of the closed path considered. Isotropy experiments of the Michelson–Morley type do not use an external clock to ...
The Michelson interferometer (among other interferometer configurations) is employed in many scientific experiments and became well known for its use by Michelson and Edward Morley in the famous Michelson–Morley experiment (1887) [1] in a configuration which would have detected the Earth's motion through the supposed luminiferous aether that ...