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4 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.
5 days ago · When the researchers looked at modern data from observations of the Cosmic Microwave Background (CMB), the primeval radiation emitted shortly after the Big Bang, the results appeared to favor the...
5 days ago · An argument is presented that if a theory of quantum gravity is physically discrete at the Planck scale and the theory recovers General Relativity as an approximation, then, at the current stage of our knowledge, causal sets must arise within the theory, even if they are not its basis. We lay out this argument in two claims. Roughly speaking, the first claim is that causal sets can recover ...
2 days ago · In the next phase, the general theory of relativity expanded to the accelerated observers and included gravitation. Multiple observers, regardless of their kind, could perform an empirical account of all phenomena, including gravitation and acceleration, which happened to be impossible to distinguish as long as the local observer performed ...
2 days ago · This is where the paradox arises, but we can scientifically prove that one twin will indeed age more significantly. The twin paradox is a problem that involves relativistic time dilation, a concept from the special theory of relativity.
1 day ago · t. e. In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of ...
6 days ago · Minkowski space. Hermann Minkowski (1864–1909) found that the theory of special relativity could be best understood as a four-dimensional space, since known as the Minkowski spacetime.
