Viewpoints

Diamond and Silicon Get Entangled

Diamond and Silicon Get Entangled

September 11, 2014

Andrew D. Greentree

Two silicon-vacancy centers in diamond can emit photons that are indistinguishable—suggesting they have potential as building blocks for a diamond-based quantum computer.

Microwave Photons Move Out of Equilibrium

Microwave Photons Move Out of Equilibrium

September 8, 2014

Mohammad Hafezi

A circuit for microwave photons provides a useful test bed for nonequilibrium physics.

The Beginning of Extra-Galactic Neutrino Astronomy

The Beginning of Extra-Galactic Neutrino Astronomy

September 2, 2014

Eli Waxman

What can high-energy neutrinos tell us about astrophysical objects beyond our galaxy?

Light Avoids Anderson Localization

Light Avoids Anderson Localization

August 20, 2014

Alexander Khanikaev and Azriel Genack

A flat optical device is designed to allow light to travel unimpeded along its edges, even in the presence of defects.

Synopses

Testing the Weak Interaction with Potassium

Testing the Weak Interaction with Potassium

September 11, 2014

Potassium-37 is one of several isotopes that could be used to directly test the standard model weak interaction.

Nerve Pulses Pass by Each Other

Nerve Pulses Pass by Each Other

September 10, 2014

Experiments on neuron fibers from earthworms and lobsters reveal that two nerve pulses that collide do not annihilate, contrary to common beliefs of nerve electrophysiology.

Higgs Mass Comes into Clearer Focus

Higgs Mass Comes into Clearer Focus

September 9, 2014

Improved analysis of CERN’s data has tightened up the accuracy of the measurement of the Higgs boson’s mass

Quantum Photonics on a Chip

Quantum Photonics on a Chip

September 4, 2014

On a single chip, sources of entangled photons are combined with optical elements that can perform complex manipulations of quantum signals.

Focus

High-Precision Measurements Using Lots of Cold Atoms

High-Precision Measurements Using Lots of Cold Atoms

September 5, 2014

A new technique uses up to 30 Bose-Einstein condensates simultaneously to make ultraprecise measurements.

New Type of Turbulence on North Carolina’s Coast

New Type of Turbulence on North Carolina’s Coast

September 2, 2014

Analysis of sea surface height measurements during a storm in North Carolina’s Outer Banks has led to the first observation of an unusual form of turbulence.

Notes from the Editors


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