Recent Articles

Atomic and Molecular Physics

Synopsis: A New Negative Ion Takes the Cooling Spotlight

Measurements of the electron binding energy in the negative thorium ion suggest that it may be a good candidate for laser cooling. Read More »

Materials Science

Viewpoint: Soft Metal Gains Hulk-Like Strength

When rapidly compressed to planetary-core pressures, lead—a soft metal—becomes 10 times stronger than high-grade steel. Read More »

Atomic and Molecular Physics

Focus: Filtering Atoms by Their Spin

A spin filter for cold atoms might be used as a testbed for spintronic devices and for searches for Majorana fermions.   Read More »

Condensed Matter Physics

Synopsis: Squeezing an Electron Crystal

Researchers have determined the energy required to add an electron to a Wigner crystal—an ordered crystalline state made of electrons rather than atoms. Read More »

Optics

Synopsis: Noisy Synchrotron? Machine Learning Has the Answer

Machine-learning algorithms could allow researchers to substantially reduce unwanted fluctuations in the widths of the electron beams produced at synchrotrons. Read More »

Biological Physics

Synopsis: A Biological Cell As a Chemical Sensor

A new theoretical model predicts a fundamental limit to how finely attuned a cell can be to its biochemical surroundings. Read More »

FEATURE

Open Mic for Vietnamese Physicists

Physics asked a number of scientists from Vietnam about their thoughts on physics in their home country. Read More »

EDITORIAL

Notes from the Editors: Postcards from Abroad

A new series of articles will look at how history, culture, and current events are shaping physics in different countries. Read More »

Astrophysics

Focus: Black Hole Assembly Line

A multiple merger scenario occurring in the centers of galaxies might explain some surprisingly large merger events recorded by gravitational-wave detectors. Read More »

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