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The oldest Foucault Pendulum in Romania is located in pavilion B of the University of Oradea. It was installed in 1964 by Prof. Coriolan Rus, the then dean of the Faculty of Mathematics - Physics. (length: 14m; weight: 60 kg) "Vasile Alecsandri" National College in Galați (length: 9,92m; weight: 8 kg)
The Foucault pendulum or Foucault's pendulum is a simple device named after French physicist Léon Foucault, conceived as an experiment to demonstrate the Earth's rotation. If a long and heavy pendulum suspended from the high roof above a circular area is monitored over an extended period of time, its plane of oscillation appears to change ...
1851 - Léon Foucault shows the Earth's rotation with a huge pendulum (Foucault pendulum) 1870 - Rudolf Clausius deduces virial theorem; 1890 - Henri Poincaré discovers the sensibility of initial conditions in the three-body problem. [17] 1898 - Jacques Hadamard discusses the Hadamard billiards. [18]
Foucault's measurements of the speed of light: Léon Foucault: Measurement Speed of light: 1851 Fizeau experiment: Hippolyte Fizeau: Measurement Speed of light: 1851 Foucault pendulum: Léon Foucault: Demonstration Earth's rotation: 1852 Foucault's gyroscope: Léon Foucault: Demonstration Earth's rotation: 1867 Kelvin water dropper: Lord Kelvin ...
1851 – Léon Foucault uses Foucault pendulum to demonstrate the rotation of the Earth. 1859 – Charles Darwin publishes The Origin of Species showing that evolution occurs by natural selection. 1861 – Louis Pasteur disproves the theory of spontaneous generation. 1863 – Gregor Mendel's pea plant experiments (Mendel's laws of inheritance).
A pendulum bob at rest at the Equator is still rotating with the Earth and there is no spin on the bob. The pendulum is moving with the rotation of the Earth when located at the equator, as is the support structure, so one can't see the rotation of the Earth in relation to the pendulum.
Foucault pendulum by Léon Foucault (who also developed and named the Gyroscope) in February 1851 in the Meridian of the Paris Observatory. Ocean thermal energy conversion in 1881 by Jacques-Arsène d'Arsonval (first OTEC plant in 1930 in Cuba by his student Georges Claude). [81] Radioactivity by Henri Becquerel in 1896. [82]
Foucault pendulum (1851): Léon Foucault's creates a pendulum to demonstrate the Coriolis effect and the rotation of the Earth. Michelson–Morley experiment (1887): exposes weaknesses of the prevailing variant of the theory of luminiferous aether.