Physicists in Germany have performed the most precise Michelson-Morley experiment to date, confirming that the speed of light is the same in all directions. The experiment, which involves rotating two ...

Two changes improved the apparatus over the one used at Potsdam [in 1886]. Morley suggested floating the heavy sand stone slab bearing the optical parts on mer cury. The stone, about 5 feet square, ...

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On July 22 the Einstein Papers Project, located at the California Institute of Technology in Pasadena, will release the 12th volume of letters written or received by Albert Einstein—791 of them—plus ...

I COULD SAY I WAS PONDERING Michelson's and Morley's famous experiment on the theory of luminous ether, but, really, I was staring at the wall color of the restaurant named for these groundbreaking ...

THE following cablegram has been received from Prof. W. B. Cartmel, of the University of Montreal: A Simple Means of Checking the Michelson-Morley Experiment’. In a letter under the above title which ...

SO much has been written about the Michelson-Morley experiment that it would be needless to refer to it here, had it not been interpreted by philosophic writers in an interesting but over-violent and, ...