An experiment at Fermilab in the US suggests that muons rotate faster than expected, which would be a problem for the standard model of particle physics.
By Leah Crane
Category: particle physics – Page 207
A particle called Pines’s demon has been seen inside a superconductor, decades after it was first predicted.
By Alex Wilkins
A zigzag arrangement that appears spontaneously in a collection of magnetic particles and some other colloids is explained by the fluid flow around each particle.
Practical applications for quantum entanglement have already been proposed, as entangled particles have been suggest for use in powerful quantum computers and “impossible” to crack networks. Now, it seems quantum entanglement may be linked to wormholes.
Entangled wormholes.
😗😁Year 2015
(12 Apr 1997) English/Nat.
British and Dutch scientists using a giant magnetic field have made a frog float in mid-air, and might even be able to do the same thing with a human being.
The team from Britain’s University of Nottingham and the University of Nijmegen in the Netherlands has also succeeded in levitating plants, grasshoppers and fish.
Scientists at the University of Nijmegen in Holland have managed to make a frog float six feet (approximately two metres) in the air — and they say the trick could easily be repeated with a human.
The secret is not magic but a powerful magnetic field which overcomes the force of gravity.
The field makes the frog’s atoms generate a weak magnetic force in the opposite direction.
This causes it to be repelled in the same way as like poles of two magnets.
Plants, grasshoppers and fish have been levitated by the research team in the same way.
NASA, apparently, is extremely interested in the experiment in order to be able to test the effects of weightlessness on astronauts without having to put them into space.
Easy, says team leader Dr Andre Geim.
SOUNDBITE: (English)
There is no problem with putting a man by this magnetic levitation, to fly in the air. Technically we can do it with you without any problems.
SUPER CAPTION: Dr Andre Geim, Director of the High Field Magnetic Laboratory of the Catholic University of Nijmegen.
And for those worried about the effects on the frog — don’t worry.
He’s not hopping mad — quite the opposite, in fact.
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All this and stamp collecting?paraphrase Lord Kelvin.
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Correction to what I say at 14:22 — The KATRIN experiment does not look for neutrinoless double beta decay, it’s trying to measure the absolute neutrino masses. There are several other experiments looking for neutrinoless double beta decay. Sorry about that mixup!
Some physicists are claiming that there is something “wrong” with our understanding of the universe. Oftentimes, it’s just to justify asking for funding for new experiments, a better detector, a new telescope, a bigger collider, but what if there’s something more than that? Do we have evidence of new physics? Or not? In this video, we will look at dark matter and dark energy, quantum gravity, the mass of the Higgs-boson, neutrino masses, and the matter-antimatter asymmetry.
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There is increasing talk of quantum computers and how they will allow us to solve problems that traditional computers cannot solve. It’s important to note that quantum computers will not replace traditional computers: they are only intended to solve problems other than those that can be solved with classical mainframe computers and supercomputers. And any problem that is impossible to solve with classical computers will also be impossible with quantum computers. And traditional computers will always be more adept than quantum computers at memory-intensive tasks such as sending and receiving e-mail messages, managing documents and spreadsheets, desktop publishing, and so on.
There is nothing “magic” about quantum computers. Still, the mathematics and physics that govern their operation are more complex and reside in quantum physics.
The idea of quantum physics is still surrounded by an aura of great intellectual distance from the vast majority of us. It is a subject associated with the great minds of the 20th century such as Karl Heisenberg, Niels Bohr, Max Planck, Wolfgang Pauli, and Erwin Schrodinger, whose famous hypothetical cat experiment was popularized in an episode of the hit TV show ‘The Big Bang Theory’. As for Schrodinger, his observations of the uncertainty principle, serve as a reminder of the enigmatic nature of quantum mechanics. The uncertainty principle holds that the observer determines the characteristics of an examined particle (charge, spin, position) only at the moment of detection. Schrödinger explained this using the theoretical experiment, known as the paradox of Schrödinger’s cat. The experiment’s worth mentioning, as it describes one of the most important aspects of quantum computing.
The Universe we live in is a transparent one, where light from stars and galaxies shines bright against a clear, dark backdrop.
But this wasn’t always the case – in its early years, the Universe was filled with a fog of hydrogen atoms that obscured light from the earliest stars and galaxies.
The intense ultraviolet light from the first generations of stars and galaxies is thought to have burned through the hydrogen fog, transforming the Universe into what we see today.
Quantum information (QI) processing has the potential to revolutionize technology, offering unparalleled computational power, safety, and detection sensitivity.
Qubits, the fundamental units of hardware for quantum information, serve as the cornerstone for quantum computers and the processing of quantum information. However, there remains substantial discussion regarding which types of qubits are actually the best.
Research and development in this field are growing at astonishing paces to see which system or platform outruns the other. To mention a few, platforms as diverse as superconducting Josephson junctions, trapped ions, topological qubits, ultra-cold neutral atoms, or even diamond vacancies constitute the zoo of possibilities to make qubits.
A group of international researchers led by the Center for Astrophysics | Harvard and Smithsonian (CfA) achieved the once-unimaginable four years ago: using a groundbreaking telescope to capture an image of a black hole.
Last month some of those researchers, engineers, and physicists convened at Harvard to consider and begin drawing up plans for the next step: a closer study of the photon rings that encircle black holes in glowing orange. The mission has been dubbed the Event Horizon Explorer (EHE), and the group hopes it will offer additional insight into black holes, which sit at the center of galaxies.
The $300 million project examining the nature of space and time builds on the success of the Event Horizon Telescope (EHT) project of 2019, when researchers took the first-ever picture of a black hole, a focal point so tiny “the biggest ones on the sky are only about the same size as an atom held at arm’s length,” said Michael Johnson, an astrophysicist at the CfA.