The jean_bernard_leon_foucault has 1 Senses.
- foucault, jean bernard leon foucault
- フーコー
- 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)
- 光速を測定して、それが空気より水の中で遅く移動ことを示したフランスの物理学者
(TTS Sound)