Science, Space and Technology News 2024
Researchers have developed a method to measure gravity at a microscopic level, marking a significant advancement in understanding quantum gravity. Credit: SciTechDaily.com Physicists successfully measure gravity in the quantum world, detecting weak gravitational pull on a tiny particle with a new technique that uses levitating magnets, putting scientists closer to solving mysteries of the universe.
Scientists are a step closer to unraveling the mysterious forces of the universe after working out how to measure gravity on a microscopic level. Experts have never fully understood how the force discovered by Isaac Newton works in the tiny quantum world. Even Einstein was baffled by quantum gravity and, in his theory of general relativity, said there is no realistic experiment that could show a quantum version of gravity.However, physicists at the University of Southampton, working with scientists in Europe, have now successfully detected a weak gravitational pull on a tiny particle using a new technique. journal, used levitating magnets to detect gravity on microscopic particles – small enough to border on the quantum realm.Lead author Tim Fuchs, from the University of Southampton, said the results could help experts find the missing puzzle piece in our picture of reality. He added: “For a century, scientists have tried and failed to understand how gravity and quantum mechanics work together. “Now we have successfully measured gravitational signals at the smallest mass ever recorded, it means we are one step closer to finally realizing how it works in tandem. “From here we will start scaling the source down using this technique until we reach the quantum world on both sides. “By understanding quantum gravity, we could solve some of the mysteries of our universe – like how it began, what happens inside black holes, or uniting all forces into one big theory.” The rules of the quantum realm are still not fully understood by science – but it is believed that particles and forces at a microscopic scale interact differently than regular-sized objects. Academics from Southampton conducted the experiment with scientists at Leiden University in the Netherlands and the Institute for Photonics and Nanotechnologies in Italy, with funding from the EU Horizon Europe EIC Pathfinder grant . Their study used a sophisticated setup involving superconducting devices, known as traps, with magnetic fields, sensitive detectors, and advanced vibration isolation. It measured a weak pull, just 30aN, on a tiny particle 0.43mg in size by levitating it in freezing temperatures a hundredth of a degree aboveThe results open the door for future experiments between even smaller objects and forces, said Professor of Physics Hendrik Ulbricht also at the University of Southampton. He added: “We are pushing the boundaries of science that could lead to new discoveries about gravity and the quantum world. “Our new technique that uses extremely cold temperatures and devices to isolate the vibration of the particle will likely prove the way forward for measuring quantum gravity. “Unravelling these mysteries will help us unlock more secrets about the universe’s very fabric, from the tiniest particles to the grandest cosmic structures.” Reference: “Measuring gravity with milligram levitated masses” by Tim M. Fuchs, Dennis G. Uitenbroek, Jaimy Plugge, Noud van Halteren, Jean-Paul van Soest, Andrea Vinante, Hendrik Ulbricht and Tjerk H. Oosterkamp, 23 February 2024,Unravelling these mysteries will help us unlock more secrets about the universe’s very fabric, from the tiniest particles to the grandest cosmic structures.2. Are topological vortices and their antivortices gravitational fields?5. Isn’t it ugly to face the spin of topological vortices like an ostrich with its back to do? 6. Are so-called academic journals scientific and honest?Today, we have already entered the era of the internet. With the help of artificial intelligence and big data, discussions on scientific knowledge have become open and transparent. However, a group of editors of so-called academic journals are mystifying themselves. They only care about their own so-called sufficiently high priority rating, general significance, discipline, novelty, etc., and do not care about what science and pseudoscience are. Science and pseudoscience are not determined by a publication, an organization or a person, nor by you or me, but by mathematics the final say. Physical models must be based on mathematics or mathematical models in order to be scientific, convincing, and in accordance with natural laws. The branch of mathematics known as topology has become a cornerstone of modern physics. The perpetually swirling topological vortices defy traditional physics’ expectations. A physical properties of topological vortices is their to spontaneously begin to change periodically in time, even though the system does not experience corresponding periodic interference. Therefore, in the interaction of topological vortices, time is both absolute and relative，and physics often requires treating space and time at the same level. Low-dimensional spacetime matter is the foundation of high-dimensional spacetime matter. Low-dimensional spacetime matter can form new material structures and derive more complex physical properties via interactions and self-organization. It is extremely wrong and irresponsible to imagine low dimensional spacetime matter using high-dimensional spacetime matter. Science must follow mathematical rules. For example, the Standard Model is considered to be one of the most significant achievements of physics in the 20th century. However, the magnetic moment of μ particle is larger than expected, revealed by a g-2 experiment at Fermilab, suggests that the established theory of fundamental particles is incomplete. Furthermore, the SM omitting gravitation, it not involved the time problem and when the particle movement starts. Mathematics is the foundation of science. Physics must respect the scientific nature of mathematics and mathematical models. The SM must be based on mathematical models in order to be scientific, convincing, and in line with natural laws. I hope researchers are not fooled by the pseudoscientific theories of the Physical Review Letters , and hope more people dare to stand up and fight against rampant pseudoscience. The so-called academic journals firmly believe that two high-dimensional spacetime objects rotating in opposite directions can be transformed into two objects that mirror each other, is a typical case of pseudoscience rampant.The simplest explanation is that your ideas are crankery. Occam’s razor and all that. As Pauli once put it, you aren’t even wrong. BTW, math is not the foundation of science. That is the mistake the ancient Greeks made, that you can start from self evident axioms and logically deduce your way to understanding the entire universe. It didn’t work and for a good reason. Math is a description. It can describe things that are right as well as things that are not. The decider is observation and experiment. Nature will tell you who she is. But if you try to tell nature who she is supposed to be, that’s the short road to exploding space shuttles. If you’re looking at math, you already missed the physics. Physical reasoning is what you use to get to the right representation and that is always based on a deep knowledge of the existing data on the phenomena.Very good! If you’re looking at math, you already missed the physics. The pride of today’s physics. A proud pupil of Physics Review Letters . You can go home now. Please follow the advice of the Physical Review Letters to have your father and mother rotate in opposite directions, so that they can be observed as two things that mirror each other. You don’t have to tell me if your observation is laughing or crying.Why does anything quantum bring out the crazies over here at scitech? It’s a simple experiment with simple to understand results. The interesting but wi) be as they progress down to truly quantum sizes and scales, if the theories hold up or not. No need to bring in quantum vortecies and to question all of reality – yet.Every practical with a charge state has gravity, gravity is the electric field energy produced, that’s why dark matter has no signature for display. Electromagnetism can either attract or repel. Gravity only attracts. Electromagnetism is a vastly stronger force than gravity. I could go on. They aren’t even close to being the same thing.WRONG!!! Only stupid people say the Gravity is the weakest of the 4 forces based on the illogical and nonsensical reasoning that wheneva u lift up off a chair, thats u overcoming the full gravitational force of the earth LMAO HAHAHAHAHA!!! Whoeva says this is a moron!!! U CANNOT OVERCOME A FORCE THAT U R COMPLETELY IMMERSED INSIDE OF!!!! But physicts aren’t always the most logical as they rely on theoretical math instead of logical/rational reasoning skills to determine truth!Anyone who even TRIES to make such a bold claim that is backed up by nothing and can only respond with “WRONG”, clearly has no idea how science works. Care to try again, with something that even remotely takes the form of science or a real hypothesis?Measuring such a small gravitational force is certainly a technical accomplishment, but I have seen nothing in stories about this that demonstrate gravity exists in discrete quanta.There’s no theory here, only an observation. Meaning the title is a lie when it claims scientists to have “Cracked the Cosmic Code” That means this article is click bait and scitechdaily has sold their integrity for a dirty buck.I don’t get it. 0.43 mg is huge, about the size of a fruit fly. A dead fruit fly will fall to the ground, demonstrating gravity’s effect on it. What does this experiment show that is different?They are using a new tech ique to measure the gravitational force down to the smallest amount, yet. The point, as stated in the article, is not that they detected gravity, but that they even COULD detect the gravitational signal. Next step is making it smaller and refining the analysis until it truly does reach the quantum scale. Not really, all they offer observationally is MOND and no quantum gravity anomalies are due to MOND, that’s for sure.SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.As Canada’s flu season collides with record strep A cases and ongoing COVID-19 concerns, a new study is shedding light on our understanding of respiratory…
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