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Astrophysics

Viewpoint: Neutron Star Merger Seen and Heard

For the first time, researchers have detected both light and gravitational waves from the same event in space. Read More »

Quantum Physics

Synopsis: Direct View of Exchange Symmetry

A proposed set of experiments could offer a direct measurement of the fundamental quantum property that distinguishes fermions from bosons. Read More »

Optics

Focus: Modeling Imperfections Boosts Microscope Precision

A theoretical model of light spreading and scattering improves precision of position and size measurements made with an optical microscope by as much as 100 times. Read More »

Condensed Matter Physics

Synopsis: Topological Defect on the Move

Researchers have directed the motion of a domain-wall-like topological defect through a crystal of trapped ions. Read More »

Q&A: Inside a Cell’s Engine Room

George Shubeita describes his studies of the tiny motors that transport vital cargoes within biological cells. Read More »

Optics

Synopsis: Attosecond X-Ray Flashes

X-ray free-electron lasers have been used to generate single spikes of hard x rays that are only 200 attoseconds long. Read More »

Particles and Fields

Viewpoint: Trapped Ions Test Fundamental Particle Physics

New precision experiments using trapped molecular ions provide an alternative method for determining if the electron has an electric dipole moment. Read More »

Gravitation

Focus: Three-Way Detection of Gravitational Waves

The first simultaneous detection of gravitational radiation by the LIGO and Virgo detectors greatly improves localization of the source and permits a novel test of general relativity. Read More »

Semiconductor Physics

Synopsis: The Dichalcogenide Gets Two Faces

Electric fields applied on either side of a thin, semiconducting transition-metal dichalcogenide create a superconducting layer atop a metallic layer within the material. Read More »

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