Recent Articles

Optoelectronics

Synopsis: A Laser Steers Electrons Inside Graphene

Orthogonally polarized laser pulses produce a controllable, variable current whose direction can be reversed in less than a femtosecond. Read More »

Astrophysics

Synopsis: Throwing Dust at Planet Formation

Astrophysicists dropped beads onto clumps of dust to better understand how planets coalesce from particulates. Read More »

Fluid Dynamics

Viewpoint: Cloud Drops Stick Together

An imaging probe on an airplane observes the clustering of water droplets in clouds, confirming a predicted effect that is correlated with rainfall. Read More »

Optics

Focus: How to Locate a Nanoparticle with Sub-angstrom Precision

Laser tricks allow nanoparticle position measurements with a record 0.6-angstrom uncertainty, which will be useful in future nanotech devices. Read More »

Atomic and Molecular Physics

Synopsis: Ion Suppresses Rydberg Creation

Forming an ion in an ultracold atomic cloud delays the subsequent creation of a Rydberg atom until the ion wanders away. Read More »

Cosmology

Synopsis: Dark Matter Blowing Like a Hurricane

The dark matter in our stellar neighborhood may be moving at high speed, which might produce a signature that future dark matter searches could detect.   Read More »

Nuclear Physics

Synopsis: Detecting Nuclear Decay with Recoil

Small particles levitated in an optical trap can recoil from radioactive decays in a way that identifies their nuclear composition, a new theoretical study suggests. Read More »

Acoustics

Focus: How Cracks Interact with the Sounds They Make

The acoustic waves emitted by a propagating crack can affect the crack’s motion and the marks it leaves behind. Read More »

Quantum Information

Viewpoint: Record Distance for Quantum Cryptography

An optical-fiber-based quantum cryptography scheme works over a record distance of 421 km and at much faster rates than previous long-distance demonstrations. Read More »

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