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American Physical Society: Physics

  • newViewpoint: Finding Spin Hedgehogs in Chiral Crystals

    Viewpoint: Finding Spin Hedgehogs in Chiral Crystals

    Author(s): J. Hugo DilThe observation of radial spin texture in chiral tellurium crystals could lead to greater control over electron transport. [Physics 13, 45] Published Mon Mar 30, 2020
    - 10 hours ago, 30 Mar 20, 6:00am -
  • newFeature: Big Labs Replace Data Taking with New Priorities

    Feature: Big Labs Replace Data Taking with New Priorities

    Large research facilities have curtailed data collection and shut their doors—but their scientists are busier than ever, and some have joined the fight against COVID-19.[Physics 13, 48] Published Mon Mar 30, 2020
    - 10 hours ago, 30 Mar 20, 6:00am -
  • newSynopsis: Better Electron Bunches for X-Ray Lasers

    Synopsis: Better Electron Bunches for X-Ray Lasers

    Researchers show that they can better shape an electron bunch by using a hollow laser beam, something that could allow them to generate brighter x rays for x-ray free-electron lasers.[Physics 13, s45] Published Mon Mar 30, 2020
    - 10 hours ago, 30 Mar 20, 6:00am -
  • Feature: Q&A: Monitoring Volcanic Eruptions Using Lightning

    Feature: Q&A: Monitoring Volcanic Eruptions Using Lightning

    Volcanologist Alexa Van Eaton explains the origins of electrical activity in volcanic ash plumes and why it sometimes leads to detectable lightning.[Physics 13, 44] Published Fri Mar 27, 2020
    - 3 days ago, 27 Mar 20, 6:00am -
  • Focus: Some Granular Columns Weigh Too Much

    Focus: Some Granular Columns Weigh Too Much

    Author(s): Rachel BerkowitzParticles packed inside a cylinder can experience a downward force from the walls, resulting in an apparent weight increase.[Physics 13, 46] Published Fri Mar 27, 2020
    - 3 days ago, 27 Mar 20, 6:00am -
  • Feature: Physicists, Share Your Experiences

    Feature: Physicists, Share Your Experiences

    How is the COVID-19 pandemic affecting you?[Physics 13, 47] Published Fri Mar 27, 2020
    - 3 days ago, 27 Mar 20, 6:00am -
  • Synopsis: A Recipe for Finding Fractons

    Synopsis: A Recipe for Finding Fractons

    A new theory proposes an experimental approach to spotting fractons.[Physics 13, s40] Published Thu Mar 26, 2020
    - 4 days ago, 26 Mar 20, 6:00am -
  • Viewpoint: Deadlocked Order and Disorder in the Strongest Metals

    Viewpoint: Deadlocked Order and Disorder in the Strongest Metals

    Author(s): Christopher A. SchuhThe peak strength of a metal occurs when the boundaries between its grains and the grains themselves have the same strength.[Physics 13, 42] Published Wed Mar 25, 2020
    - 5 days ago, 25 Mar 20, 6:00am -
  • Feature: Forecasting COVID-19’s Trajectory

    Feature: Forecasting COVID-19’s Trajectory

    Like meteorologists tracking a hurricane, physicists are racing to predict the impact of COVID-19 outbreaks in order to advise policy makers.[Physics 13, 43] Published Mon Mar 23, 2020
    - 7 days ago, 23 Mar 20, 6:00am -
  • Viewpoint: Machine Learning Tackles Spacetime

    Viewpoint: Machine Learning Tackles Spacetime

    Author(s): Enrico RinaldiNeural networks enable an important calculation in a popular approach to unifying quantum mechanics with general relativity.[Physics 13, 40] Published Mon Mar 23, 2020
    - 7 days ago, 23 Mar 20, 6:00am -

Nature: Physics

  • newCorrelated states in twisted double bilayer graphene

    Correlated states in twisted double bilayer graphene

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0825-9Placing two Bernal-stacked graphene bilayers on top of each other with a small twist angle gives correlated states. As the band structure can be tuned by an electric field,…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newFlexible filaments buckle into helicoidal shapes in strong compressional flows

    Flexible filaments buckle into helicoidal shapes in strong compressional flows

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0843-7A general mechanism through which elastic filaments suspended in a strong compressional flow buckle and spontaneously acquire a chiral helicoidal shape is uncovered and elu…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newNematic transitions in iron pnictide superconductors imaged with a quantum gas

    Nematic transitions in iron pnictide superconductors imaged with a quantum gas

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0826-8A trapped quantum gas and optical microscopy are simultaneously employed to measure the nematicity of an iron-based superconductor. This demonstrates the potential of quant…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newCooking with quantum gas

    Cooking with quantum gas

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0861-5An ultra-cold atomic gas is used to image a phase transition in an iron pnictide with micrometre resolution.
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newQuantum metasurfaces with atom arrays

    Quantum metasurfaces with atom arrays

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0845-5A kind of quantum metasurface made of an atom array is proposed, providing the possibility to control both spatiotemporal and quantum properties of transmitted and reflecte…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newThermodynamics of hot strong-interaction matter from ultrarelativistic nuclear collisions

    Thermodynamics of hot strong-interaction matter from ultrarelativistic nuclear collisions

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0846-4The quark–gluon plasma, in which quarks and gluons are deconfined, is a transient state created in collisions of heavy nuclei. By defining an effective temperature, this…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • newA rare quantum leap

    A rare quantum leap

    Nature Physics, Published online: 30 March 2020; doi:10.1038/s41567-020-0871-3Single rare-earth ions are hard to observe and even harder to use as qubits. However, with the help of coupling to an optical cavity and clever engineering of selection rul…
    - 20 hours ago, 29 Mar 20, 8:00pm -
  • Universal scaling of active nematic turbulence

    Universal scaling of active nematic turbulence

    Nature Physics, Published online: 23 March 2020; doi:10.1038/s41567-020-0854-4Determining the properties that emerge from the equations that govern turbulent flow is a fundamental challenge in non-equilibrium physics. A hydrodynamic theory for two-di…
    - 8 days ago, 22 Mar 20, 8:00pm -

Phys.org: Physics News

  • newTiny optical cavity could make quantum networks possible

    Tiny optical cavity could make quantum networks possible

    Engineers at Caltech have shown that atoms in optical cavities—tiny boxes for light—could be foundational to the creation of a quantum internet. Their work was published on March 30 by the journal Nature.
    - 9 mins ago, 30 Mar 20, 3:56pm -
  • newResolving spatial and energetic distributions of trap states in metal halide perovskite solar cells

    Resolving spatial and energetic distributions of trap states in metal halide perovskite solar cells

    In a new report published on Science, Zhenyi Ni and a research team in applied physical sciences, mechanical and materials engineering and computer and energy engineering in the U.S. profiled spatial and energetic distributions of trap states or defe…
    - 6 hours ago, 30 Mar 20, 10:23am -
  • newSkyrmion 'whirls' show promise for low-energy computer circuitry

    Skyrmion 'whirls' show promise for low-energy computer circuitry

    UNSW material scientists have shed new light on a promising new way to store and process information in computers and electronic devices that could significantly cut down the energy required to maintain our digital lifestyles.
    - 6 hours ago, 30 Mar 20, 10:13am -
  • newEnergy-harvesting design aims to turn Wi-Fi signals into usable power

    Energy-harvesting design aims to turn Wi-Fi signals into usable power

    Any device that sends out a Wi-Fi signal also emits terahertz waves —electromagnetic waves with a frequency somewhere between microwaves and infrared light. These high-frequency radiation waves, known as "T-rays," are also produced by almost anythi…
    - 9 hours ago, 30 Mar 20, 7:30am -
  • newMachine learning puts a new spin on spin models

    Machine learning puts a new spin on spin models

    Researchers from Tokyo Metropolitan University have used machine learning to analyze spin models, which are used in physics to study phase transitions. Previous work showed that an image/handwriting classification model could be applied to distinguis…
    - 9 hours ago, 30 Mar 20, 7:23am -
  • newPhysicists develop new photon source for tap-proof communication

    Physicists develop new photon source for tap-proof communication

    An international team with the participation of Prof. Dr. Michael Kues from the Cluster of Excellence PhoenixD at Leibniz University Hannover has developed a new method for generating quantum-entangled photons in a spectral range of light that was pr…
    - 9 hours ago, 30 Mar 20, 7:22am -
  • Quantum copycat: Researchers find a new way in which bosons behave like fermions

    Quantum copycat: Researchers find a new way in which bosons behave like fermions

    Bosons and fermions, the two classes into which all particles—from the sub-atomic to atoms themselves—can be sorted, behave very differently under most circumstances. While identical bosons like to congregate, identical fermions tend to be antiso…
    - 3 days ago, 27 Mar 20, 6:15pm -
  • Scientists find a way to extract color from black

    Scientists find a way to extract color from black

    Scientists have developed a way of extracting a richer palette of colours from the available spectrum by harnessing disordered patterns inspired by nature that would typically be seen as black.
    - 3 days ago, 27 Mar 20, 2:28pm -
  • Bubbles go with the flow: Simulating behavior of fluids moving through pipes

    Bubbles go with the flow: Simulating behavior of fluids moving through pipes

    Researchers at the Institute of Industrial Science, The University of Tokyo, used a sophisticated physical model to simulate the behavior of fluids moving through pipes. By including the possibility of shear-induced bubble formation, they find that,…
    - 3 days ago, 27 Mar 20, 2:00pm -
  • Researchers catch light in a funnel

    Researchers catch light in a funnel

    Professor Ronny Thomale holds a chair for theoretical condensed matter physics, the TP1, at the Julius-Maximilian University of Würzburg. The discovery and theoretical description of new quantum states of matter is a prime objective of his research.…
    - 3 days ago, 27 Mar 20, 12:17pm -

Physics Today Magazine

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Scientific American: Physics

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symmetry magazine

  • Scientists search for origin of proton mass

    Scientists search for origin of proton mass

    Only 1% of the mass of the proton comes from the Higgs field. ALICE scientists examine a process that could help explain the rest. When protons and nuclei inside the Large Hadron Collider smash directly into each other, their energy can t…
    - 6 days ago, 24 Mar 20, 9:50am -
  • Accounting for the Higgs

    Accounting for the Higgs

    Only a fraction of collision events that look like they produce a Higgs boson actually produce a Higgs boson. Luckily, it doesn’t matter. I’ll let you in on a little secret: Even though physicists have produced millions of Higgs boso…
    - 20 days ago, 10 Mar 20, 9:40am -
  • ICARUS prepares to chase a fourth neutrino

    ICARUS prepares to chase a fourth neutrino

    In February, scientists at Fermilab began cooling down the ICARUS neutrino detector and filling it with 760 tons of liquid argon. Argon. It’s all around us. It’s in the air we breathe, incandescent lights we read by and plasma globes…
    - 28 days ago, 2 Mar 20, 3:49pm -
  • ‘Flash photography’ at the LHC

    ‘Flash photography’ at the LHC

    An extremely fast new detector inside the CMS detector will allow physicists to get a sharper image of particle collisions. Some of the best commercially available high-speed cameras can capture thousands of frames every second. They prod…
    - 32 days ago, 27 Feb 20, 11:54am -
  • Seven views of work at the LHC

    Seven views of work at the LHC

    Symmetry chats with scientists working at the Large Hadron Collider to hear about differences between seven different rungs on the academic career ladder. ↓ Learn MoreLaura BruceWashington and Lee University ↓ Learn MoreK…
    - 34 days ago, 25 Feb 20, 11:58am -
  • Reina Reyes looks like science

    Reina Reyes looks like science

    Reina Reyes made headlines for her research at Princeton testing Einstein’s theory of general relativity; now she’s home in the Philippines, using her physics background to make her mark in different ways. Physicist Reina Reyes had a…
    - 41 days ago, 18 Feb 20, 4:38pm -
  • The reverse science fair

    The reverse science fair

    A school invited physicists from Fermi National Accelerator Laboratory to present their science for judgment by elementary students. On January 23, students at J.B. Nelson Elementary gathered in the school’s library for their first ever…
    - 46 days ago, 13 Feb 20, 11:02am -
  • What we know about dark matter

    What we know about dark matter

    Although scientists have yet to find the spooky stuff, they aren’t completely in the dark. There are a lot of things scientists don’t know about dark matter: Can we catch it in a detector? Can we make it in a lab? What kinds of partic…
    - 48 days ago, 11 Feb 20, 10:57am -
  • MICE brings muon collider closer to reality

    MICE brings muon collider closer to reality

    The Muon Ionization Cooling Experiment has achieved its goal of squeezing a beam of muons before they decay. Scientists have announced a breakthrough that could be key to the creation of a powerful new kind of particle collider. As re…
    - 54 days ago, 5 Feb 20, 5:17pm -
  • On background

    On background

    Physicists deal with background in their experiments in two ways: by reducing it and by rejecting it. To some degree, scientists on all of today’s particle physics experiments share a common challenge: How can they pick out the evidence…
    - 55 days ago, 4 Feb 20, 11:40am -

The Guardian: Physics

  • Energy storage boom stalls in Europe
    Slowdown in large-scale clean energy projects started before coronavirus crisis due to lack of state supportEurope’s energy storage boom stalled last year due to a slowdown in large-scale schemes designed to store clean electricity from major renew…
    - 8 days ago, 23 Mar 20, 2:01am -
  • Berger & Wyse on physics – cartoon
    Continue reading...
    - 10 days ago, 21 Mar 20, 2:00am -
  • A quest for meaning: Brian Greene on time and the cosmos - Science Weekly podcast
    Investigating mind-bending concepts from string theory to quantum gravity has taken physicist Brian Greene on a journey through the universe and towards its ultimate demise. In his new book, Until the End of Time, Greene explores this cosmic imperman…
    - 18 days ago, 13 Mar 20, 1:00am -
  • God, science, Mendel and Freeman Dyson | Letter
    Brendan O’Brien points out that science and religion are not incompatibleIt is rather ironic that, in an editorial honouring the physicist Freeman Dyson, you should refer to another scientist, Gregor Mendel, as having “left science for God”, as…
    - 20 days ago, 10 Mar 20, 1:57pm -
  • Arnold Bodmer obituary
    My father, Arnold Bodmer, who has died aged 90, fled Nazi Germany as a child refugee. In Britain and later in the US he was a scientist renowned for formulating many innovations in nuclear physics, notably through his work on the behaviours of nuclei…
    - 24 days ago, 6 Mar 20, 3:06pm -
  • Jack Welch obituary
    Chairman and chief executive of General Electric with a fearsome reputation who set the trend for ‘downsizing’Jack Welch, who has died aged 84, was a titan of US industry in the last quarter of the 20th century. As chairman and chief executive of…
    - 27 days ago, 3 Mar 20, 8:43am -
  • Freeman Dyson obituary
    Brilliant theoretical physicist and mathematician whose far-fetched ideas for the future verged on the bizarreThe physicist Freeman Dyson, who has died aged 96, became famous within science for mathematical solutions so advanced that they could only…
    - 29 days ago, 1 Mar 20, 7:15am -
  • Exploring the start of the universe - Science Weekly podcast
    What happened at the dawn of the universe, just trillionths of a second after the start of the big bang, remains a mystery. Revisiting these moments in his new book, At the Edge of Time, Dan Hooper explores many of the unknowns in cosmology. Hooper g…
    - 46 days ago, 14 Feb 20, 12:00am -
  • Physicist Brian Greene: ‘Factual information is not the right yardstick for religion’
    The theoretical physicist on distinguishing between fact and opinion, why he’d travel forward in time instead of back, and the value of religionBrian Greene, 56, is director of Columbia University’s centre for theoretical physics. His work on str…
    - 51 days ago, 8 Feb 20, 11:01am -
  • 'We're above civilisation': life in a cosmic ray station – photo essay
    Cut off during winter, a former Soviet weapons research facility high up on Mount Aragats, Armenia is now part of a network of sites around the world studying the mysterious particlesThe cosmic ray research station on Mount Aragats sits at an altitud…
    - 53 days ago, 7 Feb 20, 2:27am -
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