| 单词 | ether drift |
| 释义 | > as lemmasether drift ether drift n. History of Science the expected movement of the earth or an observer through the ether (sense 3a), failure to detect which (in the Michelson–Morley experiment of 1887 and subsequently) led to the concept of the Lorentz contraction and eventually to Einstein's special theory of relativity.See the note at sense 3a. ΚΠ 1892 Engineer 10 June 499/2 This result, however, did not prove the existence or non-existence of an ether drift relative to the earth. 1921 R. W. Lawson tr. A. Einstein Relativity xvi. 62 For a long time the efforts of physicists were devoted to attempts to detect the existence of an æther-drift at the earth's surface. 1998 Isis 89 269 Historical studies of this nature have taken it as a major issue to understand whether Einstein drew on the Michelson–Morley ether-drift experiment. 2005 I. R. Morus When Physics became King ix. 278 They had been carrying out an experiment to try to detect the movement of the Earth through the ether and had come up with a null result—they could not find the ether drift they were searching for. < as lemmas |
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