Last week over in Twitter-land, Philip Ball asked an interesting question: I’ve written a fair bit about historical science, and read more than I’ve written, so this question stuck with me, and seems ...

IN 1887 Albert Michelson and Edward Morley used an interferometer (a device that splits and recombines a beam of waves, to determine whether the recombined beam is still coherent) to measure the speed ...

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, ...

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 ...

Physicist Albert A. Michelson received the 1907 Nobel Prize in Physics for developing an interferometer, which incorporates a translucent mirror to divide a beam of light waves, route them through ...

MORLEY, EDWARD WILLIAMS (29 Jan. 1838-24 Feb. 1923), scientist and professor at WESTERN RESERVE UNIVERSITY whose work with ALBERT MICHELSON laid a foundation for Albert Einstein's later work, was born ...

WE much regret to announce the death, which occurred on May 9, of Prof. A. A. Michelson, the distinguished physicist of the University of Chicago. Prof. Michelson was probably best known for his ...