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40 notícias encontradas para "physics"
Quantum gravity tests may mistake ordinary spacetime for superposition
Quantum gravity tests may mistake ordinary spacetime for superposition
Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful theories of physics: quantum mechanics and gravity. Quantum mechanics explains the behavior of the microscopic world, while Einstein's theory of gravity describes
Synchronized infrared lasers control molecular shape changes and expose hidden fingerprint
Researchers from the Molecular Physics and Physical Chemistry departments of the Fritz Haber Institute have shown how two highly synchronized infrared (IR) laser beams can control molecules as they switch between different structural conformations. Their study provides a new wind
Ultrafast scanning tunneling microscopy reaches the quantum mechanical space-time limit fo
Werner Heisenberg's famous uncertainty principle describes one of the most intriguing features of quantum physics: certain pairs of physical quantities describing a particle, such as position and momentum, cannot simultaneously be determined with arbitrary precision—not because o
Foto: Google DeepMind / Pexels
How generative AI and physics can help design new antibiotics
By 2050, scientists estimate that antibiotic-resistant infections will be associated with more than 8 million deaths around the world every year.
AI just supercharged the race to find room temperature superconductors
Scientists have combined machine learning with quantum physics to discover two new superconductors and create a much faster way to search for many more. The technique could bring researchers significantly closer to the long-sought goal of a room-temperature superconductor.
Magnetic octupole model captures domain-wall motion in noncollinear antiferromagnets
Magnetic octupole model captures domain-wall motion in noncollinear antiferromagnets
Researchers from The Grainger College of Engineering at the University of Illinois Urbana-Champaign have developed the first magnetic multipole-based micromagnetic model for antiferromagnets. Published in Applied Physics Reviews, their generalized framework provides a theoretical
Quantum material opens new path for studying unusual electronic behavior
Quantum material opens new path for studying unusual electronic behavior
By combining approaches from two rapidly growing fields of quantum physics, researchers at Penn State and Saint Louis University have demonstrated that a novel specialized material can naturally enable a new way to study unusual physical phenomena known as non-Hermitian dynamics.
AI identifies new particle models that may explain neutrinos' tiny mass
Physicists at the University of California, Irvine, have developed an artificial intelligence system that can autonomously design theoretical physics models, a task traditionally carried out by human theorists. The approach allows researchers to explore large, uncharted areas of
Quantum optics may turn this rare visual phenomenon into an eye test
Quantum optics may turn this rare visual phenomenon into an eye test
Modern life depends on quantum physics. It makes technologies such as GPS navigation, MRI scanners and computer chips possible. Now, the same science may also lead to a new way to test the health of our eyes. A University at Buffalo-led team has used a technique from quantum opti
Physicists recreate black hole energy extraction in the lab
Physicists recreate black hole energy extraction in the lab
Researchers have recreated the physics of extracting energy from a spinning black hole using a stationary device that produces synthetic ultrafast rotation. The achievement transforms a long-standing theoretical idea into a practical experiment and could inspire new advances in o
Patterned frozen soils get their shape from gravity and funky physics
Patterned frozen soils get their shape from gravity and funky physics
Hillslopes in Arctic regions with frozen soils can host a suite of geometric patterns, from circles and stripes to polygonal patterned ground. They can also have solifluction patterns, or markings left behind when partially thawed permafrost slips and flows down a slope. Solifluc
Firefly brightness holds a cautionary tale about accepting older measurements
Firefly brightness holds a cautionary tale about accepting older measurements
For over a century, the accepted value for a firefly's brightness has mostly stood, tracing its origins to experiments carried out in 1912. Through rigorous new analysis published in the American Journal of Physics, David Silver of Remiza AI in New York has discovered that this v