Talk:Michelson–Morley experiment
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Possible Michelson-Morley experiment at The University of Chicago
I remember a biography of Michelson by a daughter, which mentioned the aether-drift experiment being carried out in Ryerson Hall on the campus of The University of Chicago, in ducts travelling the length of the building and the height of the central tower.
I worked in that building for years, and saw the ducts (which is not valid information for the Wikipedia article, but lends some credence to the existence of the biography).
I will try to find a copy of the biography again. I believe that I found it in The University of Chicago library before, but I am no longer close enough to look it up there.
My own inspection of the ducts left me skeptical that they could have been used in the aether-drift experiment, but I am not a physicist, and I recall that the daughter/author had some background in physics.
I see that this information is very sketchy, and should not lead to any addition to the article at present, but perhaps someone else will find the biography that I remember and check it further. Mjodonnell (talk) 18:41, 19 July 2023 (UTC)
- I believe that the biography in question is Michelson: The Master of Light. A biography of Albert A. Michelson. Dorothy Michelson Livingstone. Scribner, New York 1973. Reprinted by The University of Chicago Press
- https://archive.org/details/masteroflightbio0000livi/page/200/mode/2up?q=ryerson
- Pages 199-200 appear to describe the ether-drift experiment in Ryerson Hall. I am suffering a neurological difficult making it unlikely that I will edit the Wikipedia article. I would be delighted if someone else could confirm my reading and make an appropriate edit. Mjodonnell (talk) 19:06, 19 July 2023 (UTC)
Quantum Gravity?
The article currently states:
- During the early 21st century, there has been a resurgence in interest in performing precise Michelson–Morley type experiments ... in large part due to predictions of quantum gravity that suggest that special relativity may be violated at scales accessible to experimental study.
Can anything be said about the size of the possible QG effects? I do recall reading of an effort to measure correlated noise, suggested as a prediction from AdS/CFT, but I don't think it was of Michelson-Morley type. Any one or two-sentence, one-or-two paragraph summaries possible? 67.198.37.16 (talk) 03:35, 24 April 2025 (UTC)
some errors in the evaluation of the paths and speed
the equations in the longitudinal direction does not consider that the travel speed which is (c+v) on L+V.T1 therefore (c+v).T.=L+v.T1 and (c-v) on L-v.T2 therefore (c-v).T2=L-V.T2 see doc link: https://www.researchgate.net/post/Les_equations_posees_dans_Lexperiences_de_Michelson_et_Morley_sont_erronees similarly on the direction traverse the expression obtained by michelson is correct which is Tt=2L/c Moussaabdouboubacar (talk) 10:09, 16 May 2025 (UTC)
Someone link from Theory of relativity to Michelson–Morley experiment, but no even description, vacuum, air, related speed radiator and observer. 212.164.38.114 (talk) 08:35, 3 June 2025 (UTC)