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3 days 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.
1 day ago · History of the Special Theory Relativity (Brief Overview): Special relativity is commonly attributed to Albert Einstein’s 1905 papers. That is certainly justifiable. However, Einstein swiped the ideas of relativity from Henri Poincare, (who developed and named the principle of relativity in 1895 1895 and a mass-energy relation in 1900 1900 ...
6 days ago · As part of his theory of general relativity, Einstein predicted in 1916 that gravity propagates as a wave, mediated by a massless particle called a graviton that travels at the speed of light. These particles comprise gravitational waves in the same way that photons comprise light waves.
4 days ago · Solving the Einstein Equations Numerically. There are many complementary approaches to the construction of solutions to the field equations of general relativity. Among these, numerical approximation offers the only possibility to compute a variety of dynamical spacetimes, and so has come to play an important role for theory and experiment alike.
3 days ago · Research at the South Pole studied the mysterious quantum structure of space and time. Einstein’s theory of general relativity explains that gravity is caused by a curvature of the directions of space and time. The most familiar manifestation of this is the Earth’s gravity, which keeps us on the ground and explains why balls fall to the ...
4 days ago · Of this experiment, Albert Einstein wrote, "If the Michelson–Morley experiment had not brought us into serious embarrassment, no one would have regarded the relativity theory as a (halfway) redemption.": 219 Michelson–Morley type experiments have been repeated many times with steadily increasing sensitivity.
4 days ago · Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizon. A black hole has a great effect on the fate and circumstances of an object crossing it, but it has no locally detectable features according to general relativity.
