Jean Bernard Leon Foucault
Noun
Meaning
French physicist who determined the speed of light and showed that it travels slower in water than in air; invented the Foucault pendulum and the gyroscope (1819-1868)
Source: WordNetNoun
French physicist who determined the speed of light and showed that it travels slower in water than in air; invented the Foucault pendulum and the gyroscope (1819-1868)
Source: WordNet