This Week in Physics — Realizing the Einstein-Podolsky-Rosen Paradox for Atomic Clouds

This Week in Physics Magazine — May 30, 2023 Viewpoint Realizing the Einstein-Podolsky-Rosen Paradox for Atomic Clouds Margaret D. Reid – May 30, 2023 A new demonstration involving hundreds of entangled atoms tests Schrödinger's interpretation of Einstein, Rosen, and Podolsky's classic thought experiment. Focus Predicting When a Material Will Crack May 26, 2023 A combination of two techniques provides warning signs that the stress on a material will lead to failure. Video Drops Wear Different "Crowns" May 23, 2023 A study of drops falling on a thin liquid film finds that splash behavior depends on film thickness—a result that could impact our understanding of stalagmite formation. synopsis Superconductor Vortices Visible as Stripes May 30, 2023 An unusual kind of superconductor harbors magnetic vortices that researchers predict should be readily observable thanks to the striped configurations they adopt. synopsis Angle and Friction Matter for Table Tennis Spin May 26, 2023 The angle of incidence and the friction of the surface are the only factors that impact the spin of a table tennis ball after it collides with a rigid surface. synopsis "Shuttled" Ions Stay Quantum May 26, 2023 Researchers move an individual Mg+ ion more than 100,000 times between different sites in a trapping array without dropping it or ruining its quantum coherence. synopsis Static Electrons in Flat-Band Nonequilibrium Superconductors May 25, 2023 Single electrons stay stationary in superconductors with "flat-band" electronic structures, which could lead to low-energy-consumption devices made from such materials. synopsis Gravity Alters the Shape of an Evaporating Droplet May 24, 2023 Whether sitting or hanging, the surface of a protein-containing droplet changes as the water escapes, an effect researchers link to the pull of gravity. synopsis Curved-Laser Demonstration for a Higher-Energy Laser Accelerator May 23, 2023 A curved "laser wakefield accelerator" could boost the acceleration potential of a multistage version of this device. Research News Squeezable Metal Offers a Greener Approach to Refrigeration May 30, 2023 A system built around a metal that gains and loses heat when compressed could lead the way to the commercialization of chemical-free refrigeration technology. Research News Survey Finds Cheating Is Common in Graduate School May 25, 2023 In a survey of 244 engineering graduate students, one fifth admit to cheating or committing some form of research malpractice during their studies. Research News Researchers Recreate a Nearsighted Eye May 23, 2023 A new device can recreate the refractive errors of a myopic eye—one that displays nearsightedness—allowing scientists to test lenses designed to slow down the progression of the condition. 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 — Quantum Repeater Goes the Distance

This Week in Physics Magazine — May 22, 2023 Viewpoint Quantum Repeater Goes the Distance Michal Hajdušek – May 22, 2023 A quantum repeater based on trapped ions allows the transmission of entangled, telecom-wavelength photons over 50 km. Research News Space Dirt Reveals Age of Saturn's Rings May 15, 2023 Micrometeoroids in Saturn's rings reveal that these dusty bands are no more than 400 million years old, making them significantly younger than the 4.5-billion-year-old gas giant. synopsis Record Precision for Hydrogen Spectroscopy Measurements May 18, 2023 Measurements of the hyperfine splitting of certain electronic levels of hydrogen have broken precision records, potentially enabling precise tests of quantum electrodynamics. Research News Body Heat Limits Animals' Roaming Range May 16, 2023 Large animals can move quickly thanks to their long appendages, but their ability to roam in response to climate change is also affected by their need to dissipate heat produced by their bulky bodies. synopsis Electron Bunches Break the Picosecond Barrier May 17, 2023 A method for producing ultrashort, ultracold electron bunches could improve the resolution of electron-based imaging methods. Research News Measuring Cosmic Expansion with a Lensed Supernova May 18, 2023 Astronomers have demonstrated a new method for determining the Hubble constant that involves measuring the time delay between multiple images of a lensed supernova. synopsis Quantum Boost for Magnetic Induction Tomography May 16, 2023 Quantum effects improve the performance of magnetic induction tomography—an imaging technique that has promising medical applications. 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 — 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.