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6 days ago · The birth of relativity. To make it all work, Einstein realized there had to be some give-and-take. You can't just have length contraction — moving rulers shrink — on its own. You also need ...
Apr 28, 2024 · This new study proposes a novel approach to reconcile the seemingly contradictory worlds of quantum and classical physics. By modifying the Schrödinger equation and introducing the concept of self-induced collapse, Carlesso and his colleagues offer a potential explanation for the classical nature of the universe while laying the groundwork for future experiments that could validate or refute ...
3 days ago · 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 reference ...
May 10, 2024 · Credit: NASA. Einstein's General Theory of Relativity is one of the most cherished fundamental theories of physics. But this description of gravity is widely expected to be incomplete because of its lack of a quantum foundation. The electromagnetic, weak, and strong forces, by contrast, are well defined by quantum mechanics.
May 18, 2024 · Time dilation is a mind-boggling consequence of the Theory of Relativity. According to the theory, time is not uniform, but relative to the speed of an object or the strength of a gravitational field. This means that time can actually slow down or speed up depending on these factors, leading to mind-bending phenomena such as time dilation.
3 days ago · Definition and basic properties. General relativity is a metric theory of gravitation. At its core are Einstein's equations, which describe the relation between the geometry of a four-dimensional pseudo-Riemannian manifold representing spacetime, and the energy–momentum contained in that spacetime. [46]
May 9, 2024 · However, the theory isn’t perfect, and one area where the physics behind Einstein’s theory begins to break down is when science approaches the “superhorizon,” or the maximum distance light ...
