September 22, 2014
LHC experiments show that the quark-gluon plasma stops jets made of light and heavy quarks equally well, offering insights into a state of matter thought to have existed in the early Universe.
September 15, 2014
The experimental observation of spin-orbital exchange interactions in ultracold atoms opens a window for the exploration of poorly understood magnetic behaviors.
September 11, 2014
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.
September 8, 2014
A circuit for microwave photons provides a useful test bed for nonequilibrium physics.
September 2, 2014
What can high-energy neutrinos tell us about astrophysical objects beyond our galaxy?
September 18, 2014
A particle detector onboard the International Space Station has revealed differences between the spectrum of cosmic-ray positrons and electrons, which might be a hint of dark matter annihilation processes.
September 17, 2014
Mobile DNA strands could provide a different way to patch together DNA-coated particles to form colloidal structures whose structure and function can be tailored.
September 16, 2014
An experiment with fast-moving ions verifies relativistic time dilation to a new level of precision, placing constraints on certain quantum gravity theories.
September 11, 2014
Potassium-37 is one of several isotopes that could be used to directly test the standard model weak interaction.
September 19, 2014
Quantum mechanics permits particles to follow bizarre, looping and curving trajectories, usually with very low probability. But a calculation shows that in some cases, these paths can have significant and possibly measurable effects.
September 12, 2014
Experiments show that beams of left- or right-handed electrons are not equal-opportunity destroyers of molecules having two mirror-image forms, which supports the idea that primordial cosmic rays generated the asymmetry in biological molecules.
Notes from the Editors
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.
More Notes from the Editors
Snapshots from the April Meeting—Pinning Down the Universe’s Rate of Expansion, Particle Physics’ Gathering Storm, and More
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