Recent Articles


Synopsis: Bright Twins

An optical-fiber scheme generates a bright “twin beam”—a pair of quantum-correlated beams that could be used in high-precision metrology. Read More »

Particles and Fields

Synopsis: Testing Relativity with Planetary Motion

Observations of the orbital motion of planets around the Sun allow researchers to place stringent limits on Lorentz symmetry violations. Read More »

Soft Matter

Viewpoint: Caught in the Tube

Ring-shaped polymers have been used to detect a theoretical tube that restricts the motion of molten polymer chains. Read More »


Focus: Explaining the Periodicity of Snow Spikes

A new model explains the fixed periodicity of a rare snow formation that appears at high altitudes. Read More »

Fluid Dynamics

Synopsis: A Diode for Fluids

An array of nanochannels—made from a mixture of hydrophobic and hydrophilic materials—acts as a one-way diode for fluids. Read More »

Atomic and Molecular Physics

Synopsis: Gyroscopic Molecules

Fast-rotating molecules spun up by a laser pulse maintain their alignment despite collisions. Read More »


Synopsis: Dance of the Wedding Rings

Wedding rings spinning on a surface can follow surprising boomeranglike trajectories. Read More »


Viewpoint: Graphene Gets a Good Gap

Researchers have engineered a large energy band gap in a graphene layer grown on a silicon carbide substrate. Read More »


Focus: Radio Signals May Reveal Cosmological Structure

Analysis of radio pulses from very distant objects may offer a new way to map the Universe. Read More »

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