Recent Articles

Optics

Synopsis: Turning an Accelerator into a Microscope

A linear accelerator delivers high-energy electrons that can be used to image samples too thick for conventional transmission electron microscopes. Read More »

Soft Matter

Viewpoint: Jamming Grains Come Full Circle

The characterization of a new transition in sheared grains helps to fill in the phase diagram for granular materials. Read More »

Mechanics

Focus: Video—Spinning Loop of String Lifts Itself

Friction with the air allows a rapidly rotating loop of string to lift up its unsupported end. Read More »

FEATURE

Q&A: Paving A Path for AI in Physics Research

Brian Nord imagines a future where machines test hypotheses on their own—and considers the challenges ahead as scientists embrace artificial intelligence techniques. Read More »

Nuclear Physics

Synopsis: Nuclear Spectroscopy Reveals New Shapes of Excited Nuclei

Cadmium nuclei take on multiple shapes at low excitation energies, a discovery that overturns a long-accepted tenet of nuclear structure. Read More »

Astrophysics

Synopsis: How Dark Matter Shaped the First Galaxies

Simulations show that competing models of dark matter produce primordial star-forming regions that look very different from one another. Read More »

Particles and Fields

Synopsis: A New Plasma-Based Axion Detector

A proposed device could detect the hypothesized dark matter particle in a mass regime not probed by other devices. Read More »

Quantum Physics

Viewpoint: Quantum Correlations Take a New Shape

A quantum network with a triangular geometry displays nonclassical correlations that appear to be fundamentally different from those so far revealed through Bell tests. Read More »

Gravitation

Focus: “Quantum Foam” Scrubs Away Gigantic Cosmic Energy

Theory suggests that empty space is filled with enormous energy, but according to a new proposal this energy may be hidden because its effects cancel at the tiniest scales. Read More »

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