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 2022-04-23 05:37:13

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EXCESSIVE SUCCESS. “Part of the reason for this is that the two theories have been almost too successful. By the 1970s, quantum mechanics had developed into the ‘standard model of particle physics’ which explains almost everything about the elementary particles of which the universe is made. Almost every experiment has confirmed the model in almost every detail, culminating in the discovery of the Higgs boson in 2012.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:35:30

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QUANTUM UNDERPINNINGS. “The physical theory of the very small is based on quantum mechanics, which is a very successful theory that underpins almost all of modern technology. The physical theory of the very big is based on general relativity, which is a very successful theory that underpins our understanding of the universe and our place within it, and is also an essential ingredient in modern technology such as GPS.” https://lnkd.in/e-atRRat View in LinkedIn
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linkedin post 2022-04-23 05:33:40

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FRAGMENT FROM NATURE features an intriguing article by Professor Robert Arnott Wilson, who is the retired Emeritus Professor of Pure Mathematics at " "Queen Mary University of London, about his contrarian ideas for a new unifying theory of physics. He was educated at Trinity College Cambridge from his undergraduate degree through to his PhD. https://lnkd.in/egNPUiXr View in LinkedIn
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linkedin post 2022-04-24 04:36:23

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VISUALIZATION. “This is not as mysterious as it sounds, and can be visualised with an ordinary coffee mug: if you rotate it through 360◦ on a table it comes back to where it started. Now try to keep hold of the mug as you rotate it in the air in front of you: after 360◦ you will find your arm is uncomfortably twisted, but if you keep going through another 360◦ in the same direction, you will find your arm has somehow magically untwisted itself.” https://lnkd.in/e-atRRat View in LinkedIn
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