Recent Articles

Atomic and Molecular Physics

Viewpoint: Transportable Clocks Move with the Times

Transportable atomic clocks are now operating with fractional-frequency uncertainties below one part in 1016, opening up new applications. Read More »

Nuclear Physics

Focus: Proton-Neutron Equilibration Takes Just 0.3 Zeptoseconds

The equilibration of nuclei containing a large imbalance of protons and neutrons can occur in 3×10−22 seconds, according to experiments—important information for models of element-creation in supernovae. Read More »

Particles and Fields

Synopsis: Looking for Weightier Axions

A new detector has searched for hypothetical dark matter particles known as axions in a previously inaccessible mass range. Read More »

Soft Matter

Synopsis: Polymer Alchemy

Light could alter the chemistry of multicomponent polymers, allowing for the control of structures they form. Read More »

FEATURE

Meetings: Scenes from the 2017 APS April Meeting

Physicists shared their views on research, education, and politics at this year’s conference in Washington, D.C. Read More »

Quantum Physics

Synopsis: Cosmic Test of Quantum Mechanics

Light from two stars in the Milky Way has been used to test an open loophole of quantum physics. Read More »

FEATURE

Arts & Culture: Becoming One of the Team

Artist Ekaterina Smirnova is being embraced by scientists after a chance encounter with an astrophysicist turned science writer. Read More »

Photonics

Viewpoint: Reservoir Computing Speeds Up

A brain-inspired computer made with optoelectronic parts runs faster thanks to a hardware redesign, recognizing simple speech at the rate of 1 million words per second. Read More »

Astrophysics

Focus: Photons Brake the Sun

Detailed solar observations and theory suggest that photons remove angular momentum from the Sun, explaining why the Sun’s surface spins more slowly than its core. Read More »

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