Recent Articles

Biological Physics

Synopsis: Diagnosing Flow Problems in Mechanical Heart Valves

Simulations of blood flow through mechanical heart valves pinpoint a possible origin of turbulence that leads to clotting. Read More »

Gravitation

Focus: Squeezing More from Gravitational-Wave Detectors

New hardware installed in current gravitational-wave detectors uses quantum effects to boost sensitivity and increase the event detection rate by as much as 50%. Read More »

Photonics

Viewpoint: A Whole Surface of Exceptional Points

Researchers fabricated a cavity device with a large number of “exceptional points,” which are modes that exhibit exotic phenomena, such as extreme sensitivity to external parameters. Read More »

Optics

Synopsis: Twisting Light Beams on Demand

A simple new technique uses pinholes on a plate to generate rich structured light beams that might find use in data transmission and precision measurement. Read More »

Biological Physics

Synopsis: Soft Biological Tissues Can Be Piezoelectric

Artery walls, tendons, and heart valves can generate an electric voltage when squeezed—an effect that could be harnessed to diagnose important diseases. Read More »

Condensed Matter Physics

Viewpoint: Phonon Heat Transport Near the Melting Point

Molecular dynamics simulations can fully describe phonon propagation in aluminum, which could enable accurate predictions of phonon thermal conductivity. Read More »

Atomic and Molecular Physics

Synopsis: Three-Body Interactions, Not So Universal After All

Precision measurements with ultracold gases provide evidence that three-body bound states depend on atom-specific two-body interactions. Read More »

PARTICLES AND FIELDS

20 Years of Cosmic Rays at Pierre Auger

Hundreds of researchers from around the world head to Argentina to celebrate the groundbreaking anniversary of the world’s largest cosmic-ray observatory. Read More »

Magnetism

Viewpoint: The Heat in Antiferromagnetic Switching

New experiments suggest that heat might be responsible for the current-induced voltage signals measured in antiferromagnets, and not a rotation of the material’s spins as previously thought. Read More »

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