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This view is incorrect, any scientist who puts forward a theory has a certain experimental basis, even a thought experiment is an experiment. Theoretical physics is probably the cheapest major in the natural sciences. Just a pen and a book are simple enough to write an excellent theory.
Of course, simplicity is just a description of a simple tool. The key is to rely on the brain. Albert Einstein is undoubtedly a great theoretical physicist, and the theory he established is the most dazzling light in the history of physics, and the theoretical predictions discovered by Einstein so far are gradually being confirmed, which is the great place of Einstein.
In 1915, Albert Einstein published the theory of electrodynamics of moving bodies, which is popularly known as the theory of relativity, and in 1916 he officially published the general theory of relativity, both of which were completed by Einstein on paper. The two basic starting points of the special theory of relativity are the constant beam principle and the theory of relativity, neither of which were original to Einstein, and since Einstein stood before his predecessors, it can be said that Einstein proposed a special theory of relativity. Before Einstein, the principle of constant speed of light had already sprouted.
When Maxwell came up with the equation of electromagnetism, the speed of light could be solved according to the simultaneous equation. That is, the speed of light c = 1 0 0, 0 and 0 represent vacuum permissibility and vacuum permeability, respectively. Both are constant, so the speed of light must be constant.
Another inspiration was Michelson Morey's experiment, which in 1887 by Moore and Michelson amply demonstrated that the speed of light is fixed in any inertial system and in any direction. There is no absolute static frame of reference for Ethereum. But interestingly, these two experiments were originally used to measure the speed of the Earth's movement in the ether.
That's right, like most scientists, they believe in the existence of the aether. The results of the experiment turned out to be contrary to their beliefs, proving that the aether does not exist. Inspired by this, Einstein boldly regarded the principle of constancy of the speed of light as the basic principle of special relativity.
The principle of relativity was first proposed by Galileo. <>
You can see that Einstein came up with a theory of relativity based on the experience of previous generations. The general theory of relativity is a sublimation of Einstein's personal thought, creatively stating that gravity is a geometric effect produced by mass or energy, which distorts space-time, and proposes an equation of gravitational field that explains the motion of matter. I studied the gravitational field equations.
Many new terms have emerged, including gravitational waves, black holes, wormholes, gravitational lensing effects, and gravitational redshifts.
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Many of his theories are mathematically calculated, and he is not a theoretical physicist just by imagining!
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The reason for the occurrence of gravitational force (brief description): When the high-energy particles moving in the universe pass through matter (celestial bodies or particles), part of them are intercepted and absorbed to form a weak energy region (Einstein's space-time curvature), which is the gravitational range mv2=e=mv2 (the formula of the law of conservation of energy conversion).
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Think before you calculate. Albert Einstein was a theoretical physicist, and his method was to first formulate a hypothesis and then use mathematical calculations to derive it. If the mathematical derivation is successful, the hypothesis must be true.
So the key is how to come up with a hypothesis, which requires inspiration and understanding. Inspiration and understanding are not available to everyone, so Einstein was unique.
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Although he did not verify it, he must be correct by reasoning, and another formula that he deduced from some formulas that must be true is also necessarily correct. For example, if we don't know what shape the earth is, but if we go from one point to the other and end up at the origin, then we don't need proof to be able to infer that it's a circle.
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Because although Einstein did not verify something, he had a lot of knowledge in his head and some evidence, so he put forward a lot of correct conclusions.
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Because Einstein's thinking was very advanced, and he was very intelligent, very intelligent, and very exploratory, he put forward many correct theories.
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First of all, Einstein's IQ is very high, and he has deduced various conclusions through a series of reasoning calculus, which are not verified according to reality, so many of his conclusions are very correct.
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Albert Einstein said that 1+1 is equal to 3: 1+1=3, in terms of physical dimensions, 1+1 is indeed equal to three, 1+1 is a point in the world of one, a point that cannot be moved, and 1+1 is in two dimensions. According to Einstein's theory of relativity, I think 1+1=3 is also correct hemp.
Because according to the theory of relativity: 1 drop of water plus 1 drop of water can also become 3 drops of hemp, of course, it can also be 1 drop, 2 drops, 4 drops, 9 drops, 76 drops, 8 drops, or even more. If the water evaporates, it is zero, and if you look at it from the perspective of water molecules, it is innumerable.
Cosmological constant: When Einstein proposed the theory of relativity, he introduced a term proportional to the gauge tensor into the gravitational field equation to explain the existence of a static universe with a non-zero density of matter, which was represented by symbols. This scale constant is small and negligible at the galactic scale.
It can only be meaningful on a cosmic scale, so it's called the cosmological constant. that is, the so-called anti-gravitational force fixed value) into his equations. He argues that there is an anti-gravitational force that balances with gravity and makes the universe finite and static.
When Hubble showed Einstein the astronomical observations of the expanding universe, Einstein said, "This is the biggest mistake I've ever made in my life." ”
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The basic position of Einstein and others in this article is "localized realism". In other words, there is no overdistance between things. This assumption came to be known as Einstein's locality principle, which was the basis of all classical science before the 19th century, as well as the basis of the theory of relativity.
Suppose two particles are emitted in different directions, no matter how far apart they are, once one of them is detected, the state of the other particle is immediately determined. In other words, we know the position and momentum of the electron in a single measurement, which is not possible according to quantum theory. This ideal experiment pits the conclusions of quantum mechanics against the relativistic principle of the invariance of the speed of light, and the EPR paradox seems to be a judgment experiment.
Einstein and his colleagues thus proved that quantum theory is incomplete. Although quantum mechanics has been widely accepted, Einstein's questioning of its completeness had a huge impact on the later development of quantum mechanics, deepening the fundamental problems of quantum mechanics.
General relativity has achieved brilliant success in large-scale space and quantum theory in the microscopic world. Many scientists have tried to combine the two, but to date efforts to unify them have failed. The two-sided polemic represented by Einstein and Bohr has also become one of the longest-lasting, fiercest and most philosophical polemics in the history of science.
At this point we cannot draw conclusions about who is right and who is wrong, we can only say that both sides of the argument have both the right side and the inadequacy or wrong side. But Einstein's epoch-making contributions are indelible, and this has been recognized by the scientific community.
Einstein was not smart, he just tapped out more of his latent IQ, and more was only relative, he only mined about one-third of his IQ, which means that we can all become more successful than Einstein!
Because Newton and Einstein are geniuses that are rare in a thousand years, and there are few such talents now, there are no great scientists like Newton and Einstein now.
Newton is Newton, there can be a second Newton, the same law is the second law of thermodynamics, Einstein is Einstein, and there can be no second Einstein, which means that time cannot go back to the past for humans. >>>More
You go and ask him, I don't advise.
Albert Einstein is one of the greatest physicists in the world today。I think today's students, whether they have studied physics or not, know Einstein as a person and his main achievement, which is the theory of relativity. Einstein's lifetime contribution to science was too great. >>>More