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How Big Can the Quantum World Be? Physicists Probe the Limits.
...as motionless as the laws of physics permit. Two teams of researchers, in Austria and Switzerland, have independently succeeded in freezing such minuscule nanoparticles, just 100 to 140 nanometers across,...
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...
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,...
Physicists Peer Inside a Fireball of Quantum Matter
...information,” said Tetyana Galatyuk, one of the 200 members of the HADES collaboration. The experiment, reported this week in Nature Physics, is the first to measure the temperature of quark...
Quantum Tunnels Show How Particles Can Break the Speed of Light
...traveling through space. In that way it almost seems weirder than entanglement.” In a paper published in the New Journal of Physics in September, Pollak and two colleagues argued that...
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...
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...
A Physicist’s Approach to Biology Brings Ecological Insights
...migrated to biophysics, probing the complicated mechanics of the DNA molecule. He returned to MIT as a postdoc, and this time he pushed beyond the boundaries of conventional biophysics, using...
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...