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Exotic New Superconductors Delight and Confound
...impede electric flow. Bardeen, Cooper and Schrieffer’s theory of phonon-based superconductivity earned them the physics Nobel Prize in 1972. But it turned out not to be the whole story. In...
Physicists Spot Quantum Tornadoes Twirling in a ‘Supersolid’
...predictions, but the images alone are a satisfying validation, he said. “This is very relevant for the whole physics community.” Hertkorn wants to see the results replicated by other groups...
Top Dark Matter Candidate Loses Ground to Tiniest Competitor
...neutron stars. Together these teams may someday cover most of the possible frequencies. A discovery would permanently rewrite the laws of particle physics and cosmology, but today axions remain entirely...
It Might Be Possible to Detect Gravitons After All
...hypothetical particle thought to carry the force of gravity — is the ultimate physics experiment. Conventional wisdom, however, says it can’t be done. According to one infamous estimate, an Earth-size...
The New Thermodynamic Understanding of Clocks
Studies of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself. In 2013, a masters student in physics named...
Quantum Complexity Tamed by Machine Learning
If scientists understood exactly how electrons act in molecules, they’d be able to predict the behavior of everything from experimental drugs to high-temperature superconductors. Following decades of physics-based insights, artificial...
Solution: ‘Is It Turtles All the Way Down?’
While the age-old chicken-and-egg paradox is easily answered, the question of infinite regress in physics is far from resolved. In February’s puzzle column, we explored some ways in which science...
How Quantum Physicists ‘Flipped Time’ (and How They Didn’t)
...computers, and Zeilinger’s work on the phenomenon won him a share of the 2022 Nobel Prize in Physics. For the flippable nature of quantum time, Franke-Arnold said, “it’s very early...
Physicists Pin Down How Quantum Uncertainty Sharpens Measurements
...Researchers say that the new understanding forges links between disparate areas of quantum physics and that it could prove useful in experiments that use sensitive photon detectors. The paper is...