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20 hours ago · The principle of relativity was discovered by Galileo. In 1633, in his famous book entitled Dialogue Concerning the Two Chief World Systems, he wrote: Shut yourself up with some friend in the main cabin below decks on some large ship, and have with you there some flies, butterflies, and other small flying animals.
1 day ago · General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. General relativity generalizes special relativity and refines Newton's law of universal gravitation ...
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2 days ago · 1915-16 – Albert Einstein completes his general theory of relativity. He explains the perihelion of Mercury and calculates gravitational lensing correctly and introduces the post-Newtonian approximation .
2 days ago · Poincaré made many contributions to different fields of pure and applied mathematics such as: celestial mechanics, fluid mechanics, optics, electricity, telegraphy, capillarity, elasticity, thermodynamics, potential theory, quantum theory, theory of relativity and physical cosmology.
- French
- 17 July 1912 (aged 58), Paris, France
- Jules Henri Poincaré
5 days ago · Tycho Brahe (born December 14, 1546, Knudstrup, Scania, Denmark—died October 24, 1601, Prague) was a Danish astronomer whose work in developing astronomical instruments and in measuring and fixing the positions of stars paved the way for future discoveries. His observations—the most accurate possible before the invention of the telescope ...
4 days ago · Chapter 35: Special Theory of Relativity. 35.1 Motion Is Relative; 35.2 Postulates of the Special Theory of Relativity; 35.3 Simultaneity; 35.4 Spacetime and Time Dilation; 35.5 Addition of Velocities; 35.6 Length Contraction; 35.7 Relativistic Momentum; 35.8 Mass, Energy, and E = mc(2) 35.9 The Correspondence Principle
3 days ago · Einstein's theory of relativity: 1 n (physics) the theory that space and time are relative concepts rather than absolute concepts Synonyms: relativity , relativity theory , theory of relativity Types: Einstein's general theory of relativity , general relativity , general relativity theory , general theory of relativity a generalization of ...