linkedin post 2022-04-23 05:48:34

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PROBLEMATIC ASSUMPTION. “The Michelson–Morley experiment produced the apparently absurd result that the speed of light in a vacuum is always the same, independently of how fast you are moving when you measure it. Einstein cut the Gordian knot by taking this result at face value, and making it his basic assumption.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-22 06:59:16

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REALITY. “Following Wheeler, we believe that space is composed of an ever-changing geometry and topology called spacetime foam and that the foaminess is due to quantum fluctuations of spacetime. We argue for a scenario in which spacetime foam is the origin of both cosmic accelerations.” https://lnkd.in/eA85pA5X View in LinkedIn
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linkedin post 2022-04-23 05:46:57

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THOMAS KUHN. “There is a close analogy here with Einstein’s development of the theory of special relativity in 1905. In the late 19th century explorations of the properties of light, electricity and magnetism had developed to the point where serious contradictions started to appear. There were experimental results that could not be reconciled with any commonsense view of the universe.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:44:28

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DARK MASS. “The structure of galaxies can only be explained by general relativity if there is a large amount of ‘dark matter’, making up nearly 85% of the total matter in the universe. There is no direct evidence of this dark matter, and therefore its existence must be regarded as a prediction of general relativity that has not been confirmed by experiment. While most cosmologists regard this prediction as solid fact, I do not. I am not alone in this, but my opinion is definitely a minority opinion.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:43:16

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MACROSCOPIC MASS. “Similarly, general relativity has developed into the ‘concordance model of cosmology’ which explains almost everything about the structure of the universe on a large scale. But again there is a fly in the ointment, and again it is a problem of mass. According to our current understanding of normal matter, there is simply not enough mass inside galaxies for them to behave in the way that they obviously do.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:40:08

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NEUTRINOS. “The standard model requires them to have non-zero mass in order to explain their experimentally observed properties. But no experiment has been able to measure this mass directly, and it must be very small—no more than about one-millionth of the mass of the electron, which is the next lightest particle. Therefore this (hypothetical) non-zero mass is a prediction of the standard model that has not yet been confirmed by experiment. While most physicists regard this prediction as a solid fact, I do not. There is simply not enough physical evidence to support this hypothesis, in my opinion.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:38:35

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THE MASS PROBLEM. “There is perhaps just one irritating gap, and that is that we do not understand the masses of the elementary particles. A particular case of this is the neutrino mass problem. Neutrinos are produced in the interior of stars, in radioactive decays and in nuclear reactors. They are very hard to detect, as most of them pass right through the Earth without hitting anything on the way. The question is whether neutrinos have mass, or whether, like the photons that constitute light (and X-rays, and microwaves, and radio waves, and so on), they are massless.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-24 04:42:09

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THE ISSUE OF MASS. “A similar problem affects the concept of mass, in the foundations of general relativity. Einstein originally took as his starting point the ‘general principle of relativity’, that is, the principle that the laws of physics are the same for all observers.” https://lnkd.in/e-atRRat View in LinkedIn
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