Archive for the ‘quantum physics’ category: Page 3

Mar 14, 2023

Researchers Say They’ve Come Up With a Blueprint for Creating a Wormhole in a Lab

Posted by in categories: computing, cosmology, particle physics, quantum physics

Published in the journal Quantum Science and Technology, Saleh’s research focused on a novel quantum computing technique that should — at least on paper — be able to reconstitute a small object across space “without any particles crossing.”

While it’s an exciting prospect, realizing his vision will require a lot more time and effort — not to mention next-generation quantum computers that haven’t been designed, let alone built yet. That is if it’s even possible at all.

Counterportation can be achieved, the study suggests, by the construction of a small “local wormhole” in a lab — and as the press release notes, plans are already underway to actually build the groundbreaking technology described in the paper.

Mar 13, 2023

What If We Could Shrink To PLANCK LENGTH? | Unveiled

Posted by in categories: alien life, particle physics, quantum physics

What if we went BEYOND the atom?? Join us, and find out!

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Mar 13, 2023

How Quantum Physicists ‘Flipped Time’ (and How They Didn’t)

Posted by in categories: quantum physics, time travel

“For the first time ever, we kind of have a time-traveling machine going in both directions,” said Sonja Franke-Arnold, a quantum physicist at the University of Glasgow in Scotland who was not involved in the research.

Regrettably for science fiction fans, the devices have nothing in common with a 1982 DeLorean. Throughout the experiments, which were conducted by two independent teams in China and Austria, laboratory clocks continued to tick steadily forward. Only the photons flitting through the circuitry experienced temporal shenanigans. And even for the photons, researchers debate whether the flipping of time’s arrow is real or simulated.

Mar 13, 2023

Quantum Consciousness series

Posted by in categories: neuroscience, quantum physics

Quantum consciousness microtubules.

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Mar 13, 2023


Posted by in categories: cosmology, quantum physics

Bouncing cosmology from nonlinear dark energy with two cosmological constants.

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Mar 13, 2023

Quantum Geometry — The Newest “Magic” Twist in Superconductivity

Posted by in categories: materials, quantum physics

A new mechanism that gives rise to superconductivity in a material where the speed of electrons is almost zero has been discovered by scientists at The University of Texas at Dallas and their partners at The Ohio State University. This breakthrough could pave the way for the development of novel superconductors.

The results of their study, which was recently published in the journal Nature, describe a novel approach to calculate electron speed. This study also represents the first instance where quantum geometry has been recognized as the primary contributing mechanism to superconductivity in any material.

The material the researchers studied is twisted bilayer graphene.

Mar 12, 2023

How Quantum Physicists ‘Flipped Time’ (and Didn’t)

Posted by in category: quantum physics

In 2022, two teams made photons act as if time were simultaneously flowing in both directions, which could point to a way to boost quantum devices.

Mar 12, 2023

Scientists claim superconductor breakthrough ‘bigger than AI’

Posted by in categories: quantum physics, robotics/AI

A world of levitating trains, quantum computers and massive energy savings may have come a little closer, after scientists claimed to have attained a long hoped-for dream of physics: room temperature superconductivity.

However, the achievement, announced in the prestigious journal Nature, came with two caveats. The first is that at present it only works at 10,000 times atmospheric pressure. The second is that the last time members of the same team announced similar findings they had to retract them amid allegations of malpractice.

Jorge Hirsch, from the University of California, San Diego, said that on the face of it the achievement was stunning. “If this is real it’s extremely impressive, groundbreaking and worthy of the Nobel prize,” he said. But, he added, “I do not.

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Mar 12, 2023

How Einstein tried to model the shape of the Universe

Posted by in categories: cosmology, information science, mathematics, quantum physics

To keep his Universe static, Einstein added a term into the equations of general relativity, one he initially dubbed a negative pressure. It soon became known as the cosmological constant. Mathematics allowed the concept, but it had absolutely no justification from physics, no matter how hard Einstein and others tried to find one. The cosmological constant clearly detracted from the formal beauty and simplicity of Einstein’s original equations of 1915, which achieved so much without any need for arbitrary constants or additional assumptions. It amounted to a cosmic repulsion chosen to precisely balance the tendency of matter to collapse on itself. In modern parlance we call this fine tuning, and in physics it is usually frowned upon.

Einstein knew that the only reason for his cosmological constant to exist was to secure a static and stable finite Universe. He wanted this kind of Universe, and he did not want to look much further. Quietly hiding in his equations, though, was another model for the Universe, one with an expanding geometry. In 1922, the Russian physicist Alexander Friedmann would find this solution. As for Einstein, it was only in 1931, after visiting Hubble in California, that he accepted cosmic expansion and discarded at long last his vision of a static Cosmos.

Einstein’s equations provided a much richer Universe than the one Einstein himself had originally imagined. But like the mythic phoenix, the cosmological constant refuses to go away. Nowadays it is back in full force, as we will see in a future article.

Mar 12, 2023

Quantum effects could help make twisted bilayer graphene a superconductor

Posted by in categories: materials, quantum physics

“Measuring tBLG devices: the cryostat insert used in the experiments. (Courtesy: J Lau)” Measuring tB.

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