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FEATURE

Q&A: Uncovering Treasures in Condensed Matter

Xi Dai explains his fascination with exotic materials, like the Weyl semimetals whose discovery he contributed to. Read More »

Particles and Fields

Synopsis: Model Tries to Solve Five Physics Problems at Once

A minimal extension to the standard model of particle physics involves six new particles. Read More »

Biological Physics

Synopsis: Cell Sensing Improves in a Loose Crowd

Cells that communicate with each other can measure chemical concentrations with higher precision if they spread out into a sparse configuration.   Read More »

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 »

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