Recent Articles

Particles and Fields

Viewpoint: The Littlest Liquid

The plasma of quarks and gluons that forms when a proton collides with a lead nucleus has unexpected liquidlike properties. Read More »

Atomic and Molecular Physics

Synopsis: Mid-Infrared Lasers Probe Atomic Structure

Researchers have imaged the structure and the response of atoms and molecules with powerful mid-infrared electric fields. Read More »

Astrophysics

Focus: Energy Boost from Black Holes

Particles orbiting near a spinning black hole might collide and get ejected with much more energy than previous calculations showed. Read More »

Complex Systems

Synopsis: Debts and Financial Crises

A model of a banking network predicts the balance of high- and low-priority debts that ensures financial stability. Read More »

Atomic and Molecular Physics

Synopsis: Chip-Size Beam Splitter for Electrons

A new electron beam splitter that fits on a millimeter-sized chip could allow quantum optics experiments with free electrons. Read More »

Atomic and Molecular Physics

Viewpoint: Making a Molecular Movie with X Rays

Femtosecond x-ray pulses image structural changes in a molecule. Read More »

Meetings

Notes from the Editors: Highlights from CLEO 2015

At the Conference on Lasers and Electro-Optics in San Jose, researchers presented a smartphone app that analyzes DNA, invisibility cloaks for classroom demos, and new optical techniques for studying the brain. Read More »

Nanophysics

Focus: Pulses Give New Force to Probe Microscopy

A new technique in atomic force microscopy more accurately measures the electrostatic force between the probe and the surface. Read More »

Particles and Fields

Synopsis: Ripples in a BEC Pond

Atoms in a condensate could be used to image the quantum wave function of an impurity charge. Read More »

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