Fizeau experiment

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

The Fizeau experiment was carried out by Hippolyte Fizeau in 1851 to measure the relative speeds of light in moving water. Fizeau used a special interferometer arrangement to measure the effect of movement of a medium upon the speed of light.

Excerpt from the Wikipedia article “Fizeau experiment”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Éleuthère Mascart, Public domain, via Wikimedia Commons.