The phenomenon develops calmly, but it is invisible, unstoppable. One feels, one sees it born and grow steadily; and it is not in one's power to either hasten or slow it down. — Leon Foucault Copy Share Image
The observations, so numerous and so important, of the pendulum as object are especially relevant to the length of its oscillations. Those that I… — Leon Foucault Copy Share Image
The phenomenon develops calmly, but it is invisible, unstoppable. One feels, one sees it born and grow steadily; and it is not in one's… — Leon Foucault Copy Share Image
Any person, brought into the presence of this fact, stops for a few moments and remains pensive and silent; and then generally leaves, carrying… — Leon Foucault Copy Share Image
![“The observations, so numerous and so important, of the pendulum as object are especially relevant to the length of its oscillations. Those that I propose to make known to the [Paris] Academy [of Sciences] are principally addressed to the direction of the plane of its oscillation, which, moving…” quote by Leon Foucault](https://sms4smile.com/quotes/img-quotes/e85/leon-foucault-85526_academy_the-observations-so-numerous-and-so-impo_870149.jpg)
