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Astrophysics

Synopsis: 2D Maps of Solar Wind

Maps of solar wind velocities derived from satellite images of the Sun’s corona could help researchers improve solar wind models. Read More »

Atomic and Molecular Physics

Synopsis: A Sextet of Entangled Laser Modes

Researchers have entangled six modes of a laser cavity—a record number for such a device. Read More »

Atomic and Molecular Physics

Focus: Comprehensive Measurement of an Ion Beam

A new technique provides the first measurement of all six characteristics of a particle beam, which will help researchers improve beam quality. Read More »

Complex Systems

Synopsis: Social Determinants of Epidemic Growth

A new network model reveals that social mixing and mobility can determine the areas of a city that are critical in provoking an epidemic outbreak. Read More »

Fluid Dynamics

Synopsis: Levitating in a Fluid

Researchers have identified a regime in which a magnetic stir bar can be made to levitate while it spins in a fluid. ­­ Read More »

Condensed Matter Physics

Synopsis: Unusual Properties of a Ruthenium-Based Crystal

Experiments on a ruthenium-based material uncover an electron-ordering pattern that leads to surprising macroscopic behavior.   Read More »

Spintronics

Viewpoint: Crystals with Defects May Be Good for Spintronics

Dislocation defects are often a nuisance in semiconductors, but theoretical work shows they might offer an improved route to producing spin currents. Read More »

Fluid Dynamics

Focus: Fluid Flow through T-Junction Traps More Particles than Expected

Computer modeling shows that surprisingly large regions can trap particles carried by a fluid that is moving steadily through a pipe junction. Read More »

Atomic and Molecular Physics

Synopsis: Observing the Birth of a Nanoplasma

A femtosecond-sensitive technique reveals the first steps in the creation of the nanoplasma that forms when a powerful x-ray pulse hits a nanoparticle. Read More »

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