## Recent Articles

Superconductivity

### Viewpoint: A Boost for Superconducting Logic

A new choice of materials leads to more practically useful superconducting spin valves. Read More »

Nanophysics

### Focus: Atom-Scale Ohmmeter

A highly stable scanning tunneling microscope measures the electrical properties of a metal on a scale smaller than individual atoms. Read More »

Plasma Physics

### Synopsis: Helicons in a Lab Plasma

The plasma waves known as helicons can be created and measured in the laboratory even without confining walls. Read More »

Astrophysics

### Synopsis: Spatial Tests of Dark Matter

Maps of merging galaxy clusters could help find signatures of dark matter based on its decay into photons. Read More »

Biological Physics

### Synopsis: Water Flow Helps Cells Move

Water flowing through a cell’s membrane is essential to the process of changing cellular shape. Read More »

Atomic and Molecular Physics

### Synopsis: Dipolar Gas Chilled to Near Zero

The cooling of strongly dipolar molecules to their absolute ground state has opened the possibility of creating new forms of matter. Read More »

Optics

### Viewpoint: Cavity with Iron Nuclei Slows Down X Rays

Slow light effects have been measured for x rays using a cavity filled with iron nuclei, where the speed of light was reduced by a factor of 10,000. Read More »

Semiconductor Physics

### Focus: Landmarks—Accidental Discovery Leads to Calibration Standard

The quantum Hall effect, discovered unexpectedly $35$ years ago, is now the basis for defining the unit of electrical resistance. Read More »

Particles and Fields

### Viewpoint: A More Precise Higgs Boson Mass

A new value for the Higgs boson mass will allow stronger tests of the standard model and of theories about the Universe’s stability. Read More »