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כתבות אחרונות מאתר 'Phys'
Phys

Quantum witness technique reveals spinons in quantum spin liquid candidate‎

Physicists at University College Cork have developed a new approach in the search for a quantum spin liquid, a long-sought state of quantum matter resembling a magnetic liquid whose quantum properties mean it never freezes. The work is a key step in the search for quantum silicon, a mineral that could be used to create quantum computers, just as silicon is used in traditional computers. The resulting paper appears in Nature Physics.

12:11
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Phys

People have an inherent preference for counterclockwise motion, study reveals‎

Researchers in Spain and Japan tested a broad range of pedestrians in varying group sizes to see whether there were any patterns in their turning behaviors, and what factors influenced them, if any. It turns out that the vast majority of people prefer counterclockwise turning. Most factors, such as culture or gender, made little difference. Only age showed a noticeable but small change, in that younger people followed this pattern more strongly.

12:11
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Phys

Why plastic lingers: Water chemistry slows nature's cleanup‎

Scientists have long known that sunlight helps break down plastic. So, why do plastic products linger for decades and even centuries in rivers, lakes, and oceans—even when bathed in direct sunlight? Northwestern University engineers have uncovered an unexpected answer. The surprising culprit is the water itself.

12:11
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Phys

Stretchy, soft, and sticky: Advancing the next generation of wearable and implantable sensors‎

Wearable and implantable biosensors have the potential to revolutionize health care by diagnosing, monitoring, and even treating a wide range of health conditions. Recent innovations in the lab of Wei Gao, professor of medical engineering at Caltech and a Heritage Medical Research Institute Investigator, are pushing the field forward through the creation of soft, stretchable, tissue-integrated bioelectronics for continuous sensing and adaptive therapy.

12:11
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Phys

JWST reveals dawn-dusk atmosphere split on ultra-hot exoplanet WASP-121 b‎

Astronomers have revealed distinct differences in atmospheric conditions between the morning and evening transition zones of the ultra-hot gas planet WASP-121 b, which separate day from night, commonly called terminators. This achievement was only possible due to the unmatched sensitivity of the James Webb Space Telescope (JWST).

12:11
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Phys

Italian astronaut to pilot Artemis III mission‎

Italian astronaut Luca Parmitano is hoping to bring a taste of his homeland to the Artemis III mission, which he will pilot near Earth in 2027 to test two lunar modules.

11:40
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Phys

To discover new physics, AI may need to 'unlearn' the old one‎

A study in the Journal of Cosmology and Astroparticle Physics explores how a machine-learning strategy known as transfer learning could dramatically reduce the computational cost of searching for new physics beyond the standard cosmological model—while also revealing an unexpected risk: Sometimes AI systems can become too reliant on what they already know.

07:03
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Phys

Study finds fishing bycatch does not attract lesser black-backed gulls out of wind farms‎

Lesser black-backed gulls from the colony on the Dutch island of Neeltje Jans appear to avoid the wind farm off the Zeeland coast, with the exception of some males. NIOZ ecologist Rosemarie Kentie and her colleagues suspected the gulls were attracted by fishing boats outside the wind farm and the bycatch thrown overboard. This turned out not to be the case: Even during weekends, when there is little fishing, the birds rarely visit the wind farm.

06:19
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Phys

Theoretical model developed to understand how isotopes change spectroscopy results‎

When researchers want to uncover what atoms make up a material, they turn to a number of tried-and-true spectroscopy methods. Spectroscopy works by shining a specific type of light onto a substance and then analyzing how that light is either absorbed, emitted, or scattered. Every atom has a different way of interacting with light, and scientists study this light-matter interaction to identify the atoms in the material.

05:58
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Phys

Survival of five million amphibians and reptiles displaced by construction in British Columbia may not be tracked‎

UBC researchers have found that more than five million amphibians and reptiles were displaced by development in British Columbia in just four years—and that there is no requirement to monitor survival rates. The paper published in the Journal of Wildlife Management is the first of its kind to document the large-scale herpetofauna relocation taking place in the province.

05:21
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