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Magnetism May Have Given Life Its Molecular Asymmetry
...supporting life. It’s not the only plausible hypothesis, but “it’s one of the coolest because it ties geophysics to geochemistry, to prebiotic chemistry, [and] ultimately to biochemistry,” said Gerald Joyce,...
Why Stephen Hawking’s Black Hole Puzzle Keeps Puzzling
...who died today at 76, was something of a betting man, regularly entering into friendly wagers with his colleagues over key questions in theoretical physics. “I sensed when Stephen and...
Quantum Leaps, Long Assumed to Be Instantaneous, Take Time
...an internal matter of physics, as one of its relation to philosophy and human knowledge in general.” In other words, there’s a lot riding on the reality (or not) of...
New Support for Alternative Quantum View
...is exactly what the standard view of quantum mechanics, often called the Copenhagen interpretation, asks us to believe. Instead of the clear-cut positions and movements of Newtonian physics, we have...
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...
New Kind of Magnetism Spotted in an Engineered Material
...theoretical physicists at the Institute for Theoretical Physics, he wants to explore whether kinetic mechanisms like those at play within the moiré material could be used to manipulate charged particles...
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...
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...
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...