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.

This Week in Physics — Bringing Interferometric Imaging into the X-Ray Regime

This Week in Physics Magazine — April 24, 2023 Viewpoint Bringing Interferometric Imaging into the X-Ray Regime Phay J. Ho – April 24, 2023 The experimental realization of a recently proposed technique points to new possibilities for imaging molecules using x rays. Research News A New Card up Graphene's Sleeve April 18, 2023 Graphene is found to exhibit a magnetoresistance dwarfing that of all known materials at room temperature—a behavior that may lead to new magnetic sensors and help decipher the physics of strange metals. Arts & Culture A Rare Glimpse into a Bygone Era April 21, 2023 The resurfacing of a unique video of the physicist Georges Lemaître provides a rare view of a pioneer of cosmology. synopsis Daya Bay's Final Measurement April 21, 2023 After almost nine years of operation, the Daya Bay Reactor Neutrino Experiment has delivered the world's best measurement of an important particle physics parameter. synopsis A Cleaner Route to Steel Production April 19, 2023 Researchers have investigated how pores in a solid change its chemical reactions with other materials. The result could make steel production more environmentally friendly. Q&A The Mechanics of Curly Hair April 20, 2023 By examining the mechanical and geometric properties of curly hair, Michelle Gaines creates a classification system that could help consumers find optimal hair-care products. synopsis Palladium Oxides Might Be Superb Superconductors April 20, 2023 Calculations suggest that palladates might hit the sweet spot of electronic configuration for high-temperature superconductivity. synopsis Sensing Electric Fields in Ion Sources April 18, 2023 The electric-field distribution within a cold-ion cloud has been characterized using Rydberg atoms embedded in the cloud—an approach that could be harnessed to optimize ion-beam sources. 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.