• Engineering Molecular Transitions for Symmetry-Violation Tests

    Updated: 2023-10-31 10:00:00
    Author(s): Matteo RiniResearchers have engineered ultracold molecular transitions ideally suited for probing beyond-standard-model effects of symmetry violations.[Physics 16, s154] Published Tue Oct 31, 2023

  • Observation of a Single Top Quark and a Photon

    Updated: 2023-10-31 10:00:00
    Author(s): Ken MimasuThe Large Hadron Collider’s ATLAS Collaboration observes, for the first time, the coincident production of a photon and a top quark.[Physics 16, 187] Published Tue Oct 31, 2023

  • Spacetime is Right-handed v. 2.0 and Some Notes on Spinors and Twistors

    Updated: 2023-10-30 19:30:00
    I’ve just replaced the old version of my draft “spacetime is right-handed” paper (discussed here) with a new, hopefully improved version. If it is improved, thanks are due to a couple people who sent helpful comments on the older version, … Continue reading →

  • Strong Light–Matter Coupling in the Simplest Geometry

    Updated: 2023-10-27 10:00:00
    Author(s): Martin Rodriguez-VegaA single-layer transition-metal dichalcogenide on top of a silver film displays strong light–matter coupling without the need for nanostructures or microcavities.[Physics 16, s155] Published Fri Oct 27, 2023

  • Five Protons Spew Out of Extreme Nucleus

    Updated: 2023-10-27 10:00:00
    Author(s): Michael SchirberA highly unstable nucleus that decays by emitting five protons has been observed, offering an extreme case for testing nuclear models.[Physics 16, 186] Published Fri Oct 27, 2023

  • Quantum Emulsion Predicted in BEC

    Updated: 2023-10-26 10:00:00
    Author(s): Charles DayA phase that shares some properties with mayonnaise can form in a Bose-Einstein condensate.[Physics 16, s157] Published Thu Oct 26, 2023

  • How Opinions Become Chaotic

    Updated: 2023-10-26 10:00:00
    Author(s): Katherine WrightSarah Marzen finds that potential sociological strategies for combatting the spread of disinformation can have the opposite effect, leading to a population with more polarized or chaotic views.[Physics 16, 181] Published Thu Oct 26, 2023

  • The physicist trying to create space-time from scratch

    Updated: 2023-10-25 16:00:00
    Monika Schleier-Smith is testing the idea that space-time emerges, like a hologram, from quantum interactions by attempting to make it in the lab

  • Is space-time quantum? Six ways to unpick the fabric of the universe

    Updated: 2023-10-25 14:00:00
    One of the biggest questions in physics asks whether space-time is classical or quantum in nature. From slow neutrinos to quantum foam, these experiments are hoping to finally answer it

  • Milky Way Pulsars Rule Out Some Extremely Light Dark Matter Particles

    Updated: 2023-10-25 10:00:00
    Author(s): Katherine WrightIf ultralight dark matter particles exist, they can contribute no more than 70% of the dark matter between Earth and a set of monitored pulsars.[Physics 16, s159] Published Wed Oct 25, 2023

  • Binary Colloids Don’t Flock Together

    Updated: 2023-10-25 10:00:00
    Author(s): Rachel BerkowitzA homogenous mixture of two self-propelling species first forms a polar vortex and then spontaneously demixes, thanks to a difference in speeds and other competing effects.[Physics 16, s148] Published Wed Oct 25, 2023

  • Two Experimental Observations of Helix Reversals

    Updated: 2023-10-24 10:00:00
    Author(s): David EhrensteinHelical bacteria and corkscrew rods can both undergo handedness reversals that could be useful in future robotic systems.[Physics 16, s158] Published Tue Oct 24, 2023

  • Earplugs That Block Out All Sounds

    Updated: 2023-10-23 10:00:00
    Author(s): Rachel BerkowitzA new 3D-printed earplug can absorb physiological sounds made by the body, potentially making it more acoustically comfortable to use than some commercially available earplugs.[Physics 16, 184] Published Mon Oct 23, 2023

  • Fractional Jumps in Quantum Hall Interferometer

    Updated: 2023-10-23 10:00:00
    Author(s): Steven H. SimonA new experiment with fractional quantum Hall states provides further evidence that the states’ characteristic quasiparticles obey fractional statistics.[Physics 16, 183] Published Mon Oct 23, 2023

  • Model Reveals Reptilian Scale Pattern

    Updated: 2023-10-20 10:00:00
    Author(s): Marric StephensResearchers have predicted—and confirmed—a secondary pattern on the ocellated lizard’s scales that is too subtle for our eyes to see.[Physics 16, s145] Published Fri Oct 20, 2023

  • Molecular Thermometer Works Near Absolute Zero

    Updated: 2023-10-20 10:00:00
    Author(s): Sophia ChenA new thermometer allows thermal mapping of surfaces with microscale resolution and enables studies of heat flow through materials at cryogenic temperatures.[Physics 16, 182] Published Fri Oct 20, 2023

  • Efficient Control of Trapped Ions

    Updated: 2023-10-19 10:00:00
    Author(s): Marric StephensA new control architecture makes 1000-qubit trapped-ion quantum computers more feasible.[Physics 16, s153] Published Thu Oct 19, 2023

  • Cold Atoms Link a BEC, a Superfluid, and a Supersolid

    Updated: 2023-10-18 10:00:00
    Author(s): Charles DayTrapping a Bose-Einstein condensate (BEC) in an optical lattice, researchers confirm a 53-year-old theory that connects BECs to superfluids and supersolids.[Physics 16, s134] Published Wed Oct 18, 2023

  • Intense X Rays Can Free Bound Electrons

    Updated: 2023-10-17 10:00:00
    Author(s): Rachel BerkowitzMeasurements indicate that intense x-ray pulses can change the electronic structure of a material on femtosecond timescales, a finding that could improve imaging of light–matter interactions.[Physics 16, s142] Published Tue Oct 17, 2023

  • Collective Organization of Spaghetti-like Bacteria

    Updated: 2023-10-13 10:00:00
    Author(s): Charles DayLab experiments and theoretical models elucidate how chains of light-harvesting bacteria assemble into various density-dependent structures.[Physics 16, s146] Published Fri Oct 13, 2023

  • How Rotation Drives Magnetic Levitation

    Updated: 2023-10-13 10:00:00
    Author(s): Rachel BerkowitzA detailed experimental analysis explains the forces by which a spinning magnet can cause another magnet to levitate in midair.[Physics 16, 177] Published Fri Oct 13, 2023

  • Detection of the Orbital Hall Effect

    Updated: 2023-10-11 10:00:00
    Author(s): Charles DayTwo different experiments on two different transition metals reveal that a current of electron orbital angular momentum flows in response to an electric field.[Physics 16, s143] Published Wed Oct 11, 2023

  • Matching a Measurement to a Quantum State

    Updated: 2023-10-11 10:00:00
    Author(s): Berihu TekluA new method identifies the most sensitive measurement that can be performed using a given quantum state, knowledge key for designing improved quantum sensors.[Physics 16, 172] Published Wed Oct 11, 2023

  • Far-Field Flow Forces Attraction

    Updated: 2023-10-10 10:00:00
    Author(s): Rachel BerkowitzThe flow field generated by swimming bacteria drives a long-range attractive force felt by passive objects much larger than the swimmers themselves.[Physics 16, s136] Published Tue Oct 10, 2023

  • Galaxy’s Gamma Glow Illuminates Cosmic-Ray Origins

    Updated: 2023-10-09 10:00:00
    Author(s): Kazumasa KawataInterstellar magnetic fields perturb the trajectories of cosmic rays, making it difficult to identify their sources. A new survey of gamma radiation produced when cosmic rays interact with the interstellar medium should help in this identification.[Physics 16, 169] Published Mon Oct 09, 2023

  • Crazy Ants Behave like Active Swimmers

    Updated: 2023-10-05 10:00:00
    Author(s): Katherine WrightA group of 100 ants moving a heavy load acts like a single self-propelled particle swimming though a fluid.[Physics 16, s144] Published Thu Oct 05, 2023

  • New Way for a Black Hole to be a Messy Eater

    Updated: 2023-10-05 10:00:00
    Author(s): Charles DaySimulations indicate an erratic and copious accretion of gas onto a black hole when the surrounding disk is tilted and the black hole spins rapidly.[Physics 16, 173] Published Thu Oct 05, 2023

  • Narrower-Energy Electron Pulses without Electron Loss

    Updated: 2023-10-04 10:00:00
    Author(s): Katherine WrightResearchers demonstrate a method to reduce the energy spread of electrons used in electron microscopes, opening the door to time- and energy-resolved studies of quasiparticles such as phonons and plasmons.[Physics 16, s147] Published Wed Oct 04, 2023

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