Viewpoints

Testing a Realistic Quark-Gluon Plasma

Testing a Realistic Quark-Gluon Plasma

August 18, 2014

Gert Aarts

More realistic versions of lattice QCD may lead to a better understanding of how quarks formed hadrons in the early Universe.

Coherent Signal Picks Out Biomolecular Interactions

Coherent Signal Picks Out Biomolecular Interactions

August 11, 2014

Gerd Binnig

A new analytical technique, with unique advantages over existing molecular sensing methods, would allow the ultrasensitive and selective characterization of biomolecular interactions on a chip.

Solitons with a Twist

Solitons with a Twist

August 4, 2014

Frédéric Chevy

Two independent groups have shown that certain defects in superfluids can be identified as solitonic vortices.

Optical Transistor Flips On with One Photon

Optical Transistor Flips On with One Photon

July 28, 2014

Charles Adams

Researchers have used interactions between highly excited atoms to make an optical transistor that can be activated by a single photon.

Synopses

Self-Replicating Cracks

Self-Replicating Cracks

August 20, 2014

New experiments explain why thin coatings sometimes develop cracks in highly ordered patterns, such as spirals or crescents.

Zeeman Effect Induced by Light Waves

Zeeman Effect Induced by Light Waves

August 19, 2014

The magnetic field of intense visible light should have a major effect on the spectra of plasmas made from a wide range of elements.

Spin Currents Cool a Quantum Dot

Spin Currents Cool a Quantum Dot

August 14, 2014

Spin currents could be used to carry away waste heat in nanoscale magnetic devices.

Knots for All Occasions

Knots for All Occasions

August 13, 2014

A universal mechanism for the formation of Borromean rings has been revealed in cold gases of fermions.

Focus

Fast Bit-Switching in a Thermal Memory

Fast Bit-Switching in a Thermal Memory

August 15, 2014

Theorists propose a “thermal” memory—one based on temperature, rather than voltage—that could switch from zero to one faster than other designs.

Changing Surface Properties in a Flash

Changing Surface Properties in a Flash

August 8, 2014

In a proposed scheme for a polymer coating, the surface could change its properties in less than a second.

Notes from the Editors

Bargaining for a Better Helium Deal

Bargaining for a Better Helium Deal

July 17, 2014

A pilot program jointly run by the APS hopes to use the collective bargaining power of many researchers to negotiate a better price for liquid helium.


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