APS Physics articles!

19 April 2021

This Week in Physics Magazine — April 19, 2021

Viewpoint

Making Quantum Dynamics Exact

Vivian França – April 19, 2021

Three new studies provide analytical descriptions and exact solutions for various aspects of thermodynamics in quantum many-body systems.

Focus

Eye Tracking Gets Complex

April 16, 2021

Two research teams have used eye-tracking methods to learn how students approach complex physics problems.

synopsis

Droplets Sliding Across a Stretched Surface

April 15, 2021

Experiments show that stretching the substrate changes the shape and dynamics of droplets, suggesting a new way to control fluid motion in microfluidic chips.

synopsis

A Lightweight Among Heavyweights

April 14, 2021

Researchers have observed the lightest uranium isotope to date, offering insight into models of nuclear structure.

synopsis

Electron Chemical Potential Measured for Graphene

April 13, 2021

Researchers demonstrate a method for measuring the chemical potential in a many-electron system, providing a way to validate numerical calculations.

synopsis

Laser-Cooled Atoms and Molecules Collide in a Trap

April 13, 2021

An experiment shows the circumstances under which ultracold atoms are quick to kick molecules out of a trap, providing clues for how to use atoms as a refrigerant for molecules.

Opinion

Aim for the Sky, But Keep Your Feet on the Ground

April 15, 2021

To fight poverty and promote equality, developing countries should pursue the highest levels of unfettered, open-ended scientific inquiry.