Physics

Slight changes in the magnetic field preceded the California earthquakes

Slight changes in the magnetic field preceded the California earthquakes

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US Geological Surveypublic domain” width=”800″ height=”450″/> The magnitude 6 earthquake in South Napa, California in August 2014 caused the soil to rupture in places, including this vineyard. Credit: US Geological Survey, Public Domain Researchers studying intermediate to large earthquakes in California have found detectable changes in the local magnetic field that occur 2-3 days before …

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How philosophy turned into physics - and reality turned into information

How philosophy turned into physics – and reality turned into information

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This year’s Nobel Prize in Physics was awarded “for experiments with entangled photons, establishing the violation of Bell’s inequalities, and pioneering the science of quantum information.” Read more: Nobel Prize: Physicists share prize for insight into scary world of quantum mechanics To understand what this means and why this work is important, we need to …

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Chinese scientists have successfully completed free space time and frequency propagation with the E-19 instability over 113 km

Chinese scientists have successfully completed free space time and frequency propagation with the E-19 instability over 113 km

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Schematic diagram of the experiment Photo: research team Chinese scientists have carried out the 113-kilometer high-precision free space time and frequency dissemination experiment for the first time in the world, with the time stability dissemination reaching the femtosecond level, which can meet the time dissemination requirements of the optical clock with the highest current accuracy. …

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Milestones on the Path to Useful Quantum Technologies

Milestones on the Path to Useful Quantum Technologies

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Nor confirm the accumulation of 2 GHZ statesN– photons. (b) Sketch of the experimental setup. A Ti:sapphire laser with a wavelength of 775 nm pumps a Bell-state bias source based on parametric downconversion in a Sagnac configuration (blue area). One photon from each emitted Bell pair is detected and triggers the feed-forward (red arrows), and …

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The study shows that the gravitational forces deep in the Earth have a great impact on the evolution of the landscape

The study shows that the gravitational forces deep in the Earth have a great impact on the evolution of the landscape

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These images from the modeling illustrate the development of the metamorphic core complex showing crustal stresses and rates of deformation, faulting, uplift of deeper rocks, and sedimentation from surface erosion. These core complex development processes occur after the topography supporting the thickened crustal root is weakened by the input of heat, fluids, and partial melting. …

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Quantum Physics Concept

“Something strange is happening” – Physicists answer a decades-old question

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Physicists have answered a long-standing question regarding the interaction of quantum particles in a disordered system. Another kind of chaos Physicists from the University of California, Santa Barbara, the University of Maryland, and the University of Washington have solved a long-standing physics puzzle: How do interactions between particles affect dynamic localization? “It’s a really old …

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Powerful physics tool could help scientists understand complex ecosystems | Science

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Your gut is home to microbial madness. Hundreds of trillions of bacteria belonging to countless species interact with each other in complex ways that can keep you healthy and make you sick. Teasing out these interactions would seem like an impossible task. Now, microbiologists have found help from an unlikely source: physics. A new experiment …

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The 80-year-old mystery in static electricity has finally been solved

The 80-year-old mystery in static electricity has finally been solved

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Charge mosaic on contact charged dielectrics. (a) In a conventional view, two electrically neutral materials (gra) brought into contact and then uniformly charged (bottom left), one positive (red) and one negative (blue). In an alternative scenario (bottom right), each surface develops a highly uneven “charge mosaic” with neighboring domains of opposite charge polarities. (b) Loading …

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A new method to enable efficient interactions between photons

A new method to enable efficient interactions between photons

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Two photons propagating in a waveguide interacting with a single quantum emitter. Photon-photon interaction, which results in correlations. Credit: Le Jeannic et al. Photons, particles that represent a quantum of light, have shown great potential for the development of new quantum technologies. More specifically, physicists have explored the possibility of creating photonic qubits (quantum units …

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