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Vor 2 Tagen · One of the clear implications of special relativity is the fact that no object with mass can travel at the speed of light or faster. This presents a clear problem with the Newtonian expressions of various dynamical quantities such as the kinetic energy \ ( \frac {1} {2} mv^2 \) and the momentum \ ( m \mathbf {v} \).
Vor 3 Tagen · Albert Einstein (born March 14, 1879, Ulm, Württemberg, Germany—died April 18, 1955, Princeton, New Jersey, U.S.) was a German-born physicist who developed the special and general theories of relativity and won the Nobel Prize for Physics in 1921 for his explanation of the photoelectric effect.
Vor 5 Tagen · The meaning of relativity has been widely misunderstood. Philosophers play with the word, like a child with a doll. Relativity, as I see it, merely denotes that certain physical and mechanical facts, which have been regarded as positive and permanent, are relative with regard to certain other facts in the sphere of physics and mechanics. It ...
Vor einem Tag · A black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2] Einstein 's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
Vor 4 Tagen · The meaning of the Schrödinger equation and how the mathematical entities in it relate to physical reality depends upon the interpretation of quantum mechanics that one adopts. In the views often grouped together as the Copenhagen interpretation, a system's wave function is a collection of statistical information about that system. The ...
Vor einem Tag · Hubble's law, also known as the Hubble–Lemaître law, [1] is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth.
Vor 4 Tagen · “When you sit with a nice girl for two hours you think it’s only a minute, but when you sit on a hot stove for a minute you think it’s two hours. That’s rela...
