This Week in Physics — The Cosmos as a Colloid

This Week in Physics Magazine — March 20, 2023 Research News The Cosmos as a Colloid March 14, 2023 A new methodology for analyzing the 3D distribution of galaxies borrows techniques from the study of colloids and other disordered materials. Focus "Off Switch" Makes Explosives Safer March 17, 2023 An explosive material fabricated with a highly porous structure is inactive but is easily "switched on" when filled with water. Viewpoint Droplets Come to Life David Zwicker – March 20, 2023 Phase separation within cells creates droplets whose chemical activity leads to surprising mobility that serves cellular function and hints at the origin of life. Q&A Physics Education for the Incarcerated March 13, 2023 Erin Flowers adapts laboratory courses for incarcerated students, an endeavor that she says is both challenging and rewarding. Viewpoint The Impact of Ions on DNA Jeffery C. Chancellor – March 13, 2023 A study of the electron excitation response of DNA to proton radiation has elucidated mechanisms of damage incurred during proton radiotherapy. synopsis Hitting Rewind on Quantum Processes March 14, 2023 A new technique for reversing the evolution of a quantum system could become a key tool in quantum information technology. synopsis A Better Production Line for Atom Arrays March 15, 2023 A new algorithm can organize hundreds of atoms into pristine patterns—including a honeycomb lattice, a fractal called a Sierpiński triangle, and a lion's head. Research News Universal Quantum Logic through Spin Swapping March 17, 2023 Researchers have demonstrated quantum gate operations in a system where voltage pulses cause neighboring electron spins to swap with one another. synopsis A Watery Probe for Ion–Electron Interactions March 17, 2023 Researchers have developed a method for measuring the strength of certain ion–electron interactions in water, with initial tests throwing up unexpected results. synopsis How Microswimmers Push Through Solid-Like Fluids March 16, 2023 If a helical bacteria's tail propulsion is strong enough to deform the yield-stress fluid ahead of the swimmer, locomotion proceeds. 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.