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  • Research leads to better modeling of...
    on December 3, 2020 at 9:13 PM

    Hypersonic flight is conventionally referred to as the ability to fly at speeds significantly faster than the speed of sound and presents an extraordinary set of technical challenges. As an example, when a space capsule re-enters Earth's atmosphere, it reaches hypersonic speeds—more than five […]

  • Physicists capture the sound of a...
    on December 3, 2020 at 7:00 PM

    For some, the sound of a "perfect flow" might be the gentle lapping of a forest brook or perhaps the tinkling of water poured from a pitcher. For physicists, a perfect flow is more specific, referring to a fluid that flows with the smallest amount of friction, or viscosity, allowed by the laws of […]

  • Mapping quantum structures with light...
    on December 3, 2020 at 7:00 PM

    A new tool that uses light to map out the electronic structures of crystals could reveal the capabilities of emerging quantum materials and pave the way for advanced energy technologies and quantum computers, according to researchers at the University of Michigan, University of Regensburg and […]

  • Researchers pioneer a revolutionary new...
    on December 3, 2020 at 7:00 PM

    Heralding the end of a decade-long quest, in a promising new class of extremely thin, two-dimensional semiconductors, scientists have for the first time directly visualized and measured elusive particles, called dark excitons, that cannot be seen by light.

  • Searching for sub-eV sterile neutrinos...
    on December 3, 2020 at 2:30 PM

    The standard model of particle physics only accounts for 20% of matter in the universe. Physicists have theorized that the remaining 80% is made up by so-called dark matter, which consists of particles that do not emit, absorb or reflect light and thus cannot be directly observed using any existing […]

  • Searching for sub-eV sterile neutrinos...
    on December 3, 2020 at 2:30 PM

    The standard model of particle physics only accounts for 20% of matter in the universe. Physicists have theorized that the remaining 80% is made up by so-called dark matter, which consists of particles that do not emit, absorb or reflect light and thus cannot be directly observed using any existing […]

  • Supernova surprise creates elemental...
    on December 2, 2020 at 8:52 PM

    Michigan State University (MSU) researchers have discovered that one of the most important reactions in the universe can get a huge and unexpected boost inside exploding stars known as supernovae.

  • Researchers improve the measurement of...
    on December 2, 2020 at 4:00 PM

    The validation and application of theories in physics require the measurement of universal values known as fundamental constants.

  • Researchers improve the measurement of...
    on December 2, 2020 at 4:00 PM

    The validation and application of theories in physics require the measurement of universal values known as fundamental constants.

  • Biomedical engineers find active...
    on December 2, 2020 at 3:10 PM

    Researchers are beginning to understand the behavior of so-called "active" particles, which, if it can be controlled, has potential implications for engineered drug delivery systems and smart 3-D printing, according to an interdisciplinary Penn State research team.

  • Scientists solve big limitation of...
    on December 1, 2020 at 4:00 PM

    Nearly all photons emitted after the Big Bang are now visible only at far-infrared wavelengths. This includes light from the cold universe of gas and dust from which stars and planets form, as well as faint signals from distant galaxies tracing the universe's evolution to today.

  • A new lesson about phase transitions...
    on December 1, 2020 at 2:52 PM

    NUS physicists have discovered a theoretical behavior known as the "critical skin effect" influencing how changes between different phases of matter occur.

  • A possible way to measure ancient rate...
    on December 1, 2020 at 2:50 PM

    An international team of researchers has proposed a way to indirectly measure the rate of cosmic rays striking the Earth over millions of years. In their paper published in the journal Physical Review Letters, they suggest using the imprints made by atmospheric neutrinos in so-called […]

  • Next step in simulating the universe
    on December 1, 2020 at 1:24 PM

    Computer simulations have struggled to capture the impact of elusive particles called neutrinos on the formation and growth of the large-scale structure of the universe. But now, a research team from Japan has developed a method that overcomes this hurdle.

  • Hitting the quantum 'sweet spot':...
    on November 30, 2020 at 9:15 PM

    Researchers from the Centre of Excellence for Quantum Computation and Communication Technology (CQC2T) working with Silicon Quantum Computing (SQC) have located the 'sweet spot' for positioning qubits in silicon to scale up atom-based quantum processors.

  • Math enables custom arrangements of...
    on November 30, 2020 at 5:51 PM

    While the mesmerizing blobs in a classic lava lamp may appear magical, the colorful shapes move in response to temperature-induced changes in density and surface tension. This process, known as liquid-liquid phase separation, is critical to many functions in living cells, and plays a part in making […]

  • In search for dark matter, new fountain...
    on November 30, 2020 at 3:27 PM

    You can't see it. You can't feel it. But the substance scientists refer to as dark matter could account for five times as much "stuff" in the universe as the regular matter that forms everything from trees, trains and the air you breathe, to stars, planets and interstellar dust clouds.

  • In search for dark matter, new fountain...
    on November 30, 2020 at 3:27 PM

    You can't see it. You can't feel it. But the substance scientists refer to as dark matter could account for five times as much "stuff" in the universe as the regular matter that forms everything from trees, trains and the air you breathe, to stars, planets and interstellar dust clouds.

  • A phononic crystal coupled to a...
    on November 27, 2020 at 6:00 PM

    Researchers have recently displayed the interaction of superconducting qubits; the basic unit of quantum information, with surface acoustic wave resonators; a surface-wave equivalent of the crystal resonator, in quantum physics. This phenomena opens a new field of research, defined as quantum […]

  • Unprecedented accuracy in quantum...
    on November 27, 2020 at 5:12 PM

    Physicists at the Max Planck Institute of Quantum Optics have tested quantum mechanics to a completely new level of precision using hydrogen spectroscopy, and in doing so they came much closer to solving the well-known proton charge radius puzzle.

  • Unprecedented accuracy in quantum...
    on November 27, 2020 at 5:12 PM

    Physicists at the Max Planck Institute of Quantum Optics have tested quantum mechanics to a completely new level of precision using hydrogen spectroscopy, and in doing so they came much closer to solving the well-known proton charge radius puzzle.

  • A hint of new physics in polarized...
    on November 25, 2020 at 9:21 PM

    Using Planck data from the cosmic microwave background radiation, an international team of researchers has observed a hint of new physics. The team developed a new method to measure the polarization angle of the ancient light by calibrating it with dust emission from our own Milky Way. While the […]

  • Neutrinos yield first experimental...
    on November 25, 2020 at 6:39 PM

    An international team of about 100 scientists of the Borexino Collaboration, including particle physicist Andrea Pocar at the University of Massachusetts Amherst, report in Nature this week detection of neutrinos from the sun, directly revealing for the first time that the carbon-nitrogen-oxygen […]

  • Supersized wind turbines generate clean...
    on November 24, 2020 at 8:48 AM

    Twenty years ago, wind energy was mostly a niche industry that contributed less than 1% to the total electricity demand in the United States. Wind has since emerged as a serious contender in the race to develop clean, renewable energy sources that can sustain the grid and meet the ever-rising […]

  • A new beat in quantum matter
    on November 23, 2020 at 6:26 PM

    Oscillatory behaviors are ubiquitous in nature, ranging from the orbits of planets to the periodic motion of a swing. In pure crystalline systems, presenting a perfect spatially-periodic structure, the fundamental laws of quantum physics predict a remarkable and counter-intuitive oscillatory […]

  • Quantum X-ray microscope in development
    on November 23, 2020 at 4:02 PM

    Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have begun building a quantum-enhanced X-ray microscope at the National Synchrotron Light Source II (NSLS-II). This groundbreaking microscope, supported by the Biological and Environmental Research progam at DOE's […]

  • How moving slower allows groups of...
    on November 23, 2020 at 4:00 PM

    Scientists have found that bacterial groups spread more rapidly over surfaces when the individuals inside them move slowly, a discovery that may shed light on how bacteria spread within the body during infections.

  • Social bacteria build shelters using...
    on November 23, 2020 at 4:00 PM

    Forest-dwelling bacteria known for forming slimy swarms that prey on other microbes can also cooperate to construct mushroom-like survival shelters known as fruiting bodies when food is scarce. Now a team at Princeton University has discovered the physics behind how these rod-shaped bacteria, which […]

  • Scientists make sound-waves from a...
    on November 23, 2020 at 3:26 PM

    Researchers have developed a new theory for observing a quantum vacuum that could lead to new insights into the behavior of black holes.

  • Biological pattern-forming systems...
    on November 23, 2020 at 2:16 PM

    Ludwig-Maximilians-Universitaet (LMU) in Munich physicists have introduced a new method that allows biological pattern-forming systems to be systematically characterized with the aid of mathematical analysis. The trick lies in the use of geometry to characterize the dynamics.

  • Refining the picture of the Higgs boson
    on November 20, 2020 at 3:31 PM

    To explain the masses of electroweak bosons—the W and Z bosons—theorists in the 1960s postulated a mechanism of spontaneous symmetry breaking. While this mathematical formalism is relatively simple, its cornerstone—the Higgs boson – remained undetected for almost 50 years.

  • Searching for axion dark matter...
    on November 20, 2020 at 2:30 PM

    According to theoretical predictions, axion dark matter could be converted into radio frequency electromagnetic radiation when it approaches the strong magnetic fields that surround neutron stars. This radio signature, which would be characterized by an ultranarrow spectral peak at a frequency that […]

  • 'Search of a lifetime' for...
    on November 20, 2020 at 12:38 PM

    A team of researchers at the University of Chicago recently embarked on the search of a lifetime—or rather, a search for the lifetime of long-lived supersymmetric particles.

  • Solving for nuclear structure in light...
    on November 19, 2020 at 3:46 PM

    In nuclei, all the fundamental forces of nature are at play. The dense region at the center of an atom—where the protons and neutrons are found—is a place where scientists can test their understanding of the fundamental interactions of the smallest building blocks of matter in the universe.

  • Scattering of adiabatically aligned...
    on November 19, 2020 at 3:33 PM

    A research team, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has discovered that when the rotational quantum states of non-polar molecules change under the influence of laser fields (non-resonant laser fields), so does their motion trajectories.

  • Surfaces help quantum switches
    on November 19, 2020 at 2:39 PM

    The quantum dynamics of hydrogen are central to many problems in nature, being strongly influenced by the environment in which a reaction takes place. In their contribution to PRL, members of the Lise Meitner Group at the MPSD address hydrogen transfer within a supported molecular switch, showing […]

  • Surfaces help quantum switches
    on November 19, 2020 at 2:39 PM

    The quantum dynamics of hydrogen are central to many problems in nature, being strongly influenced by the environment in which a reaction takes place. In their contribution to PRL, members of the Lise Meitner Group at the MPSD address hydrogen transfer within a supported molecular switch, showing […]

  • Topological mechanical metamaterials go...
    on November 19, 2020 at 2:39 PM

    A change in perspective can work wonders. This has been especially true with respect to the paradigms for explaining material properties using the concept of topology, "ideas that are currently revolutionizing condensed matter physics," according to Tel Aviv University researcher Roni Ilan. While […]

  • Topological mechanical metamaterials go...
    on November 19, 2020 at 2:39 PM

    A change in perspective can work wonders. This has been especially true with respect to the paradigms for explaining material properties using the concept of topology, "ideas that are currently revolutionizing condensed matter physics," according to Tel Aviv University researcher Roni Ilan. While […]

  • Entropy production gets a system update
    on November 19, 2020 at 1:13 PM

    Nature is not homogenous. Most of the universe is complex and composed of various subsystems—self-contained systems within a larger whole. Microscopic cells and their surroundings, for example, can be divided into many different subsystems: the ribosome, the cell wall, and the intracellular […]

  • Researchers describe previously unknown...
    on November 19, 2020 at 1:11 PM

    It is something quite common in physics: Electrons leave a certain material, fly away and are then measured. Some materials emit electrons when they are irradiated with light. These electrons are called photoelectrons. In materials research, so-called Auger electrons also play an important […]

  • Going beyond the anti-laser may enable...
    on November 19, 2020 at 12:02 PM

    Ever since Nikola Tesla spewed electricity in all directions with his coil back in 1891, scientists have been thinking up ways to send electrical power through the air. The dream is to charge your phone or laptop, or maybe even a healthcare device such as a pacemaker, without the need for wires and […]

  • Small finlets on owl feathers point the...
    on November 18, 2020 at 9:12 PM

    A recent research study conducted by City, University of London's Professor Christoph Bruecker and his team has revealed how micro-structured finlets on owl feathers enable silent flight and may show the way forward in reducing aircraft noise in future.

  • Researchers describe fundamental...
    on November 18, 2020 at 6:04 PM

    The motion of magnetic particles as they pass through a magnetic field is called magnetophoresis. Until now, not much was known about the factors influencing these particles and their movement. Now, researchers from the University of Illinois Chicago describe several fundamental processes […]

  • Faster magnetic switch with lower...
    on November 18, 2020 at 3:10 PM

    Magnetic materials are ubiquitous in modern society, present in nearly all the technological devices we use every day. In particular, personal electronics like smartphones/watches, tablets, and desktop computers all rely on magnetic material to store information. Information in modern devices is […]

  • Quantifying quantumness: A mathematical...
    on November 17, 2020 at 4:00 PM

    Large objects, such as baseballs, vehicles, and planets, behave in accordance with the classical laws of mechanics formulated by Sir Isaac Newton. Small ones, such as atoms and subatomic particles, are governed by quantum mechanics, where an object can behave as both a wave and a particle.

  • Researcher sets record for quantum...
    on November 17, 2020 at 1:37 PM

    A researcher from The Australian National University (ANU) has used one of the most powerful supercomputers in the world to predict the quantum mechanical properties of large molecular systems with an accuracy that surpasses all previous experiments.

  • Removing random doping allows for...
    on November 17, 2020 at 12:18 PM

    A UNSW-led collaboration has found that removing random doping in quantum electronic devices dramatically improves their reproducibility—a key requirement for future applications such as quantum-information processing and spintronics.

  • Quantum tunneling pushes the limits of...
    on November 17, 2020 at 8:24 AM

    Shantanu Chakrabartty's laboratory has been working to create sensors that can run on the least amount of energy. His lab has been so successful at building smaller and more efficient sensors, that they've run into a roadblock in the form of a fundamental law of physics.

  • Analysis paves way for more sensitive...
    on November 16, 2020 at 7:28 PM

    Quantum sensors can measure extremely small changes in an environment by taking advantage of quantum phenomena like entanglement, where entangled particles can affect each other, even when separated by great distances.

  • CCNY team in quantum algorithm...
    on November 13, 2020 at 10:45 PM

    Researchers led by City College of New York physicist Pouyan Ghaemi report the development of a quantum algorithm with the potential to study a class of many-electron quantums system using quantum computers. Their paper, entitled "Creating and Manipulating a Laughlin-Type ν=1/3 Fractional Quantum […]

  • In new step toward quantum tech,...
    on November 13, 2020 at 1:26 PM

    With their ability to harness the strange powers of quantum mechanics, qubits are the basis for potentially world-changing technologies—like powerful new types of computers or ultra-precise sensors.

  • New study outlines steps higher...
    on November 12, 2020 at 8:27 PM

    A new study outlines ways colleges and universities can update their curricula to prepare the workforce for a new wave of quantum technology jobs. Three researchers, including Rochester Institute of Technology Associate Professor Ben Zwickl, suggested steps that need to be taken in a new paper in […]

  • New approach to circuit compression...
    on November 12, 2020 at 5:25 PM

    A major technical challenge for any practical, real-world quantum computer comes from the need for a large number of physical qubits to deal with errors that accumulate during computation. Such quantum error correction is resource-intensive and computationally time-consuming. But researchers have […]

  • Researchers trap electrons to create...
    on November 11, 2020 at 8:42 PM

    Like restless children posing for a family portrait, electrons won't hold still long enough to stay in any kind of fixed arrangement.

  • Tiny device enables new record in...
    on November 9, 2020 at 4:00 PM

    Bristol researchers have developed a tiny device that paves the way for higher performance quantum computers and quantum communications, making them significantly faster than the current state-of-the-art.

  • A new candidate material for quantum...
    on November 6, 2020 at 4:30 PM

    In 1973, physicist and later Nobel laureate Philip W. Anderson proposed a bizarre state of matter: the quantum spin liquid (QSL). Unlike the everyday liquids we know, the QSL actually has to do with magnetism—and magnetism has to do with spin.

  • Explaining gravity without string theory
    on November 6, 2020 at 1:15 PM

    For decades, most physicists have agreed that string theory is the missing link between Einstein's theory of general relativity, describing the laws of nature at the largest scale, and quantum mechanics, describing them at the smallest scale. However, an international collaboration headed by […]

  • Scientists work to shed light on...
    on November 5, 2020 at 8:43 PM

    As scientists await the highly anticipated initial results of the Muon g-2 experiment at the U.S. Department of Energy's (DOE) Fermi National Accelerator Laboratory, collaborating scientists from DOE's Argonne National Laboratory continue to employ and maintain the unique system that maps the […]

  • Applying particle physics methods to...
    on November 5, 2020 at 8:25 PM

    Borrowing a page from high-energy physics and astronomy textbooks, a team of physicists and computer scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has successfully adapted and applied a common error-reduction technique to the field of quantum […]