Recent Articles

Quantum Information

Viewpoint: Quantum Computer Simulates Excited States of Molecule

Excited-state energies of the hydrogen molecule have been calculated using a two-qubit quantum computer. Read More »

Statistical Physics

Focus: A Tiny Engine Powered by Light and Liquid Physics

A micrometer-sized sphere trapped by optical tweezers in a liquid, under the right conditions, orbits rapidly around the laser beam—creating a potential micromixing device. Read More »

FEATURE

Q&A: A Condensed Matter Theorist Embraces AI

Juan Carrasquilla gave himself a crash course on machine learning and found a new way of approaching condensed-matter theory. Read More »

Particles and Fields

Synopsis: LHC Sees No Dark Photons

A search for dark photons at the LHC comes up empty but puts new constraints on the strength of the hypothetical particles’ coupling to electromagnetic fields. Read More »

Fluid Dynamics

Synopsis: How Hairy Tongues Help Bats Drink Nectar

Experiments and theory show that hairs on a bat’s tongue allow the animal to drink 10 times more nectar than it could if its tongue were smooth. Read More »

Optics

Viewpoint: Intense Laser Sheds Light on Radiation Reaction

Experimentalists have used ultraintense laser light to explore a fundamental problem in quantum electrodynamics: the response of an accelerated electron to the radiation it emits. Read More »

Topological Insulators

Synopsis: Having the Edge on Optical Losses

An optical version of a topological insulator exhibits edge states that could be used to reduce scattering losses in optical waveguides. Read More »

Gravitation

Synopsis: Space-Based Detection of Gravitational Waves Gets Closer

The final results from LISA Pathfinder show that the satellite’s technology meets the requirements for space-based gravitational-wave detection. Read More »

Condensed Matter Physics

Focus: Taking Temperature in 2D

Electron microscopy can produce nanometer-scale maps of the thermal expansion of 2D materials, which may be important for the development of nanoelectronic devices. Read More »

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