Monday, March 20, 2023

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.


"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.


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.


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.


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.


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.


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.


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.


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.


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