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QUANTUM FOAM. “Quantum fluctuations endow spacetime with a foamy texture. The degree of foaminess is dictated by blackhole physics to be of the holographic type.” https://lnkd.in/eA85pA5X View in LinkedIn

NEW PAPER: Holographic Foam Cosmology: From the Late to the Early Universe, by Professor Yee Jack Ng, UNC Chapel Hill, NC. https://lnkd.in/eA85pA5X View in LinkedIn

“BIOLOGICAL roulettes and of chance they generate. They are at the same time products and engines of the evolution. Without them, life would have disappeared from the Earth a long time ago.” https://lnkd.in/eEFbgDqX View in LinkedIn

THIS POSTING of this very difficult and long paper was probably a one-of-a-kind for me, based on the truly extraordinary nature of this article. More than almost any other that I have read in quantum physics, it goes to great pains to explain in words the rational behind each of the steps in this enquiry. A true masterpiece! https://lnkd.in/eiqmZcSk View in LinkedIn

AUTHOR, Dr Anna Karlsson, with postdocs at Stanford, Princeton and currently a researcher at Utrecht University. “Anna Karlsson is interested in quantum gravity, effective models of quantum critical metals, and the interface between the two. She also works on supergravity amplitudes.” A researcher with a light internet footprint! https://lnkd.in/eraa-Ntx View in LinkedIn

FIRST PASS. “Our focus has been on a rough, qualitative analysis of what would be required for consistency rather than on counterexamples, which constitutes a limited scrutiny of the hypothesis, but we feel enough internal consistency is observed to warrant further interest in this ansatz for quantizing space-time.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

CRITICAL TEST. “If the interference effects of particle diffraction cannot fit with the scenario of relative geometry, the hypothesis fails.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

PARTICLE INTERACTIONS. “Apart from quantum properties of the space-time structure, a second type of quantum effect is present through how particles interact with the space-time.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

An extensive area of several m2 of an established community of white crustose lichen, not terribly common. View in LinkedIn

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