Measured the relative speeds of light in air and water using a rotating mirror; however, Foucault independently achieved the same result seven weeks earlier
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Measured the relative speeds of light in air and water using a rotating mirror; however, Foucault independently achieved the same result seven weeks earlier
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.