Phrase guide
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noun
Any of various spectroscopic tests of the isotropy of mass and space, originally to test Mach's principle and now understood to be important tests of Lorentz invariance.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named after Vernon W. Hughes and Ronald Drever, who independently conducted experiments of this kind in the early 1960s.
