By employing a technique analogous to the operation of noise-canceling headphones, PML researchers have created an exquisitely sensitive, semiconductor-based, single-photon detection system that has the highest reported detection efficiency of any device of its type and is capable of operating at gigahertz frequencies with very low noise....
Last week, CERN was among several organizations to announce the Higgs boson machine-learning challengeExternal Links icon – your chance to develop machine-learning techniques to improve analysis of Higgs data....
(Phys.org) —To keep your new car looking sleek and shiny for years, factories need to make certain that the coats of paint on it are applied properly. But ensuring that every coat of paint—whether it is on a car or anything else—is of uniform thickness and quality is not easy....
Researchers at Tokyo Institute of Technology uncover the complexities of quantum phase fluctuations during the superconductor-insulator transition in high-temperature superconductors....
Computer simulations play an increasingly important role in the description and development of new materials. Yet, despite major advances in computer technology, the simulations in statistical physics are typically restricted to systems of up to a few 100,000 particles, which is many times smaller than the actual material quantities used in typical experiments. Researchers therefore use so-called finite-size...
In theory, the laws of physics are absolute. However, when it comes to the laws of thermodynamics—the science that studies how heat and temperature relate to energy—there are times where they no longer seem to apply. In a paper recently published in the European Physical Journal B, Robert Adamietz from the University of Augsburg, Germany, and colleagues have demonstrated that a theoretical model of...
In a new paper in the Journal of Chemical Physics, a research team in the United Kingdom and the United States describes how water molecules "caged" in fullerene spheres ("buckyballs") are providing a deeper insight into spin isomers—varieties of a molecule that differ in their nuclear spin. The results of this work may one day help enhance the analytical and diagnostic power of nuclear magnetic resonance...
(Phys.org) —Sometimes paradoxes can be frustrating, but other times they can reveal something that was previously hidden. A new paradox in the field of network science, presented in a recent issue of EPL by Filippo Radicchi, Assistant Professor at Indiana University, seems to fall into the latter category....
(Phys.org) —In a basement lab on BYU's campus, mechanical engineering professor Julie Crockett analyzes water as it bounces like a ball and rolls down a ramp....
A quantum particle can search for an item in an unsorted "database" by jumping from one item to another in superposition, and it does so faster than a classical computer ever could....
By: Physics Today Tue May 20 12:00:00 UTC 2014 Previous Post News Picks Next Post MIT Technology Review : High blood pressure may one day be treated not with drugs but with an electrical implant. Joining a growing number of other such “electroceuticals” is the 20-mm-long cuff of electrodes developed by Dennis Plachta, of the University of Freiburg in Germany, and colleagues. When wrapped around the...
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Scientists have advanced a brain-scanning technology that tracks what the brain is doing by shining dozens of tiny LED lights on the head. This new generation of neuroimaging compares favorably to other approaches but avoids the radiation exposure and bulky magnets the others require, according to new research at Washington University School of Medicine in St. Louis....
A device that essentially listens for light waves could help open up the last frontier of the electromagnetic spectrum—the terahertz range....
By: Physics Today Mon May 19 11:04:00 UTC 2014 Previous Post News Picks Next Post BBC : In 1714 the British government established a £20 000 prize to be awarded for the development of a method for calculating longitude while at sea. That Longitude Prize serves as the inspiration for a new £10 million prize announced by UK charity Nesta and the Technology Strategy Board . The problem to be investigated...
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Micropillars are the latest bright idea for artificial brains ...
A material called sodium manganese dioxide has shown promise for use in electrodes in rechargeable batteries. Now a team of researchers has produced the first detailed visualization—down to the level of individual atoms—of exactly how the material behaves during charging and discharging, in the process elucidating an exotic molecular state that may help in understanding superconductivity....