This Week in Physics — Testing Gravity’s Effect on Quantum Spins

This Week in Physics Magazine — May 15, 2023 Viewpoint Testing Gravity's Effect on Quantum Spins Derek F. Jackson Kimball – May 15, 2023 A new search for an interaction between a particle's intrinsic spin and Earth's gravitational field probes physics in the regime where quantum theory meets gravity. Research News Astronomers Capture a Star Swallowing a Planet May 8, 2023 For the first time, astronomers have spotted an evolving star engulfing an orbiting planet. Viewpoint The Mechanical Struggle behind Adaptive Immunity Vijay Balasubramanian – May 10, 2023 A study of the mechanical forces in certain immune cells may give new insights into how organisms deal with ever-evolving pathogens. Opinion It's Time to Take Quantum Biology Research Seriously May 10, 2023 Understanding the possible quantum-driven behaviors of biological systems could aid in treating injuries or in developing cures for diseases, but research in the field has been pushed to the sidelines. It's time for that to change. Focus A Lab Plasma Rotates and Produces Jets May 12, 2023 A spinning plasma ring mimics the rotating structure surrounding a black hole. synopsis Quantum Spin Hall Effect Seen in Graphene Analog May 12, 2023 Germanene undergoes a topological phase transition and then becomes a normal insulator when the strength of an applied electric field is dialed up. synopsis Proof That a Complex Quantum Network Is Truly Quantum May 11, 2023 Researchers prove the fully nonclassical nature of a three-party quantum network, a requirement for developing secure quantum communication technologies. synopsis A Record Density for Laser-Cooled Molecules May 10, 2023 A novel laser cooling and trapping technique squeezes large numbers of molecules into a confined space while keeping them ultracold. synopsis Large Photonic Processor Solves Graph Problems May 9, 2023 A quantum photonic device can perform some real-world tasks more efficiently than classical computers. 1 Physics Ellipse, College Park, MD 20740 © 2023 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.

This Week in Physics — Tackling the Puzzle of Our Solar System’s Stability

This Week in Physics Magazine — May 8, 2023 Viewpoint Tackling the Puzzle of Our Solar System's Stability Daniel Tamayo – May 3, 2023 A new theory explains why our planets avoid collisions for far longer times than standard theories of planetary stability predict. Special Feature How Our Solar System Avoids Planet Collisions May 3, 2023 A comic strip illustrates a planetary mechanism that may explain why the Solar System—despite its chaotic nature—displays long-term stability. Research News The Final Piece in the Solar System-Stability Puzzle? May 3, 2023 The centuries-long search to understand our Solar System's stability could now be over, or maybe not. Viewpoint Quantum Fluids of Light Come into Sharper View Claire Michel and Matthieu Bellec – May 8, 2023 Experiments probing quasiparticles in semiconductor microcavities offer unprecedented insights into the dynamics of quantum fluids of light. Research News Today's Chef's Special: A Rechargeable Battery May 5, 2023 Researchers have created an edible, rechargeable battery that could power a small electronic device. synopsis Straight Lines for Champagne; Wonky Ones for Cola May 3, 2023 Experiments and simulations indicate that bubble size and the chemistry of the liquid determine whether a chain of bubbles rising in a carbonated drink follows a straight path. Focus Tweezers in Three Dimensions May 5, 2023 A new kind of 3D optical lattice traps atoms using focused laser spots replicated in multiple planes and could eventually serve as a quantum computing platform. Research News Light Boosts Magnetism in a Crystal May 4, 2023 Ultrafast laser pulses drive spin alignment that strengthens a titanate crystal's magnetism and extends it to higher temperatures. synopsis Detecting Dark Photons with Radio Telescopes May 2, 2023 A search for rare interactions between dark photons and regular matter provides constraints on the properties of ultralight dark matter. synopsis Laser Creates Two Highly Polarized Electron Beams May 4, 2023 A proposed technique would use light and nanowires to generate electron beams with nearly pure spin polarization. synopsis Plucking an Atom's Electrons May 5, 2023 A new experiment follows the trajectories of electrons as pulsed laser light yanks them away from their atoms and slams them back. 1 Physics Ellipse, College Park, MD 20740 © 2023 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.

This Week in Physics — Turbulence in Collisionless Cosmic Plasmas

This Week in Physics Magazine — May 1, 2023 Viewpoint Turbulence in Collisionless Cosmic Plasmas François Rincon – April 26, 2023 New computer simulations show that wave-particle interactions endow thin plasmas with an effective viscosity that regulates their turbulent motions and heating. Focus The Optimal Angle for Cleaning with Bubbles April 28, 2023 A stream of air bubbles can be most effective at cleaning produce or industrial equipment if it strikes at the correct angle. Focus Heat Carried by Electron Waves April 26, 2023 A new observation of heat transport by surface waves involving electrons could lead to improved cooling strategies for microscale electronic components. Research News APS March Meeting Goes Overseas April 25, 2023 The virtual component of this year's March Meeting was attended live by scientists at in-person satellite events in Africa, Asia, and South America. synopsis Metamaterial Provides Underwater Stealth April 25, 2023 A lightweight structure made of rubber and metal layers can provide an object with underwater acoustic stealth over a broad frequency range. synopsis Stretching without Buckling April 26, 2023 Materials that stretch on demand often bend in undesired directions, but a new theoretical model can produce stress-free designs that change shape without buckling. synopsis The Efficiency of Tandem Molecular Machines April 27, 2023 Machines that consist of two coupled biomolecules trade thermodynamic efficiency for operating speed. synopsis Characterizing Clusters in Nuclear Collisions April 28, 2023 High-energy collisions result in the formation of clusters of neutrons and protons inside atomic nuclei and in the emission of energetic ions. synopsis A Theoretical Framework for Optical Forces around a Fiber May 1, 2023 A new model describes the range of forces and torques that light in a fiber can impart on dielectric particles nearby, even in the absence of helical light polarization. 1 Physics Ellipse, College Park, MD 20740 © 2023 American Physical Society | All rights reserved View Email Online You are receiving this message because you signed up to receive Physics Magazine email alerts or are a member of APS. Manage Email Preferences.