• Is Spacetime Unraveling?

    Updated: 2024-09-30 22:51:11
    Quanta magazine has just put out an impressive package of material under the title The Unraveling of Space-Time. Much of it is promoting the “Spacetime is doomed” point of view that influential theorists have been pushing for decades now. A … Continue reading →

  • Hopes for new physics dashed by ordinary-looking W bosons at CERN

    Updated: 2024-09-30 22:51:08
    In 2022, physicists were excited by hints that something was wrong with our understanding of the universe - but new results have put that in doubt

  • Water Waves Break Up Floating Film

    Updated: 2024-09-27 10:00:00
    Author(s): David EhrensteinA lab-scale model provides a testing ground for studying the breakup of ice sheets or of other thin solids floating on the surface of a fluid.[Physics 17, 141] Published Fri Sep 27, 2024

  • Gases Team Up for Enhanced Coherence

    Updated: 2024-09-26 10:00:00
    Author(s): Rachel BerkowitzMagnetic feedback causes two atomic gases to guide each other’s spins into long-lasting collective alignment.[Physics 17, s116] Published Thu Sep 26, 2024

  • Golden Ratio in Quasicrystal Vibrations

    Updated: 2024-09-25 10:00:00
    Author(s): Martin Rodriguez-VegaExperiments show that a property of the vibrations in a quasicrystal is linked to the number known as the golden ratio.[Physics 17, s121] Published Wed Sep 25, 2024

  • Positron Emission Tomography Could Be Aided by Entanglement

    Updated: 2024-09-25 10:00:00
    Author(s): Paweł MoskalThe quantum entanglement of photons used in positron emission tomography (PET) scans has been shown to be surprisingly robust, opening prospects for developing quantum-enhanced PET schemes.[Physics 17, 138] Published Wed Sep 25, 2024

  • Atomic Friction Defies Expectations

    Updated: 2024-09-24 10:00:00
    Author(s): Ryan WilkinsonAn experiment reveals that frictional forces can have a surprisingly complex velocity dependence at the nanoscale.[Physics 17, s120] Published Tue Sep 24, 2024

  • Disorder Induces Delocalization

    Updated: 2024-09-19 10:00:00
    Author(s): Charles DayA one-dimensional Bose-Einstein condensate’s superfluid state is surprisingly robust if the atoms are trapped in a quasiperiodic lattice.[Physics 17, s112] Published Thu Sep 19, 2024

  • Physicists Needed to Help Advance Cancer Treatment

    Updated: 2024-09-19 10:00:00
    Author(s): Katherine WrightMarie-Catherine Vozenin explains why an interdisciplinary approach is key to taking a promising experimental radiotherapy cancer treatment from the lab to the clinic.[Physics 17, 102] Published Thu Sep 19, 2024

  • Deriving Fundamental Constants from Three-Beam Collisions

    Updated: 2024-09-18 10:00:00
    Author(s): Ryan WilkinsonA proposed experiment involving an x-ray beam and two optical beams could determine the values of fundamental constants in quantum electrodynamics.[Physics 17, s109] Published Wed Sep 18, 2024

  • The Solar System as a Black Hole Detector

    Updated: 2024-09-17 10:00:00
    Author(s): Charles DayAn asteroid-mass primordial black hole flying near a planet could perturb the planet’s orbit by a detectable amount.[Physics 17, s98] Published Tue Sep 17, 2024

  • Podcast About String Theory, Other Items

    Updated: 2024-09-14 06:29:38
    A few weeks ago I recorded a podcast with Robinson Erhardt, which has now appeared as String Theory and the Crisis in Physics. We mainly talk about the current situation of string theory in physics and the history of how … Continue reading →

  • Podcast on Unification

    Updated: 2024-09-14 06:29:38
    I recently did another podcast with Curt Jaimungal, on the topic of unification, which is now available here. As part of this I prepared some slides, which are available here. The main goal of the slides is to explain the … Continue reading →

  • Quantum Chip Cuts Unintended Signals

    Updated: 2024-09-12 10:00:00
    Author(s): David EhrensteinA 25-qubit quantum processor architecture reduces the stray signals that can cause errors and is suitable for scaling up.[Physics 17, s113] Published Thu Sep 12, 2024

  • Imaging Antiferromagnetic Domains

    Updated: 2024-09-12 10:00:00
    Author(s): Charles DayA simple light microscopy setup can map the micrometer-scale domains of a potentially useful class of magnetic materials.[Physics 17, s106] Published Thu Sep 12, 2024

  • Materials Found to Be Surprisingly Transparent to Orbital Currents

    Updated: 2024-09-11 10:00:00
    Author(s): Michael SchirberOrbital currents can efficiently flow through a variety of materials—a promising result for future orbitronics devices.[Physics 17, s108] Published Wed Sep 11, 2024

  • Light Could Drive Cooling Cycle in Ferroelectric Materials

    Updated: 2024-09-10 10:00:00
    Author(s): Charles DayUltraviolet photons induce potassium niobate to behave like a potent solid-state refrigerant, according to new calculations.[Physics 17, s103] Published Tue Sep 10, 2024

  • Ultrafast Lasers Induce Spin Currents Directly

    Updated: 2024-09-06 10:00:00
    Author(s): Mark BuchananResearchers use ultrashort laser pulses to trigger a spin-aligned electron flow on the few-femtosecond timescale—opening up a possible path toward faster spintronic devices.[Physics 17, 131] Published Fri Sep 06, 2024

  • A New Nonlinearity for Superconducting Circuits

    Updated: 2024-09-05 10:00:00
    Author(s): Marric StephensResearchers have isolated a high-order term in the behavior of a Josephson junction, which could lead to longer-lived superconducting qubits.[Physics 17, s107] Published Thu Sep 05, 2024

  • Preparing Entangled States Efficiently

    Updated: 2024-09-04 10:00:00
    Author(s): Marric Stephens[Physics 17, s110] Published Wed Sep 04, 2024

  • Dark Matter Search in Gravitational-Wave Data

    Updated: 2024-09-04 10:00:00
    Author(s): Michael SchirberAn analysis of gravitational data from the LIGO detector sets new limits on a wave-like form of dark matter called scalar-field dark matter.[Physics 17, s101] Published Wed Sep 04, 2024

  • How a Zebra’s Stripes Align

    Updated: 2024-09-03 10:00:00
    Author(s): Rachel BerkowitzLocal curvature could drive directionality of periodic pigmentation patterns on animals.[Physics 17, s104] Published Tue Sep 03, 2024

  • Harnessing Machine Learning to Guide Scientific Understanding

    Updated: 2024-09-03 10:00:00
    Author(s): Sam DillavouA clever use of machine learning guides researchers to a missing term that’s needed to accurately describe the dynamics of a complex fluid system.[Physics 17, 130] Published Tue Sep 03, 2024

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