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Physics/Chemistry News
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Today's physics/chemistry headlines from the sources selected by our team:

Pioneering SESAME light source circulates first beam
Allan, Jordan, 12 January 2017. A beam circulated for the first time in the pioneering SESAME synchrotron at 18:12 (UTC+3) yesterday. The next step will be to store the beam.
General Physics News - Science News, Physics News, Physics, Material Sciences, Science , Sat, 14 Jan 2017 06:20:24 GMT

Electron diffraction locates hydrogen atoms
Diffraction-based analytical methods are widely used in laboratories, but they struggle to study samples that are smaller than a micrometer in size. Researchers from the Laboratoire de cristallographie et sciences des matériaux (CNRS/Ensicaen/Unicaen), the Laboratoire catalyse et spectrochimie (CNRS/Ensicaen/Unicaen), and the Academy of Sciences of the Czech Republic have nevertheless been successful in using electron diffraction to reveal the structure of nanocrystals2. Their method is so sensitive that it has even located the position of hydrogen atoms for the first time, which is crucial in accessing the morphology of the molecules or the size of cavities in porous materials. This research, published on January 13, 2017, has made the front page of the journal Science.
General Physics News - Science News, Physics News, Physics, Material Sciences, Science , Sat, 14 Jan 2017 06:20:24 GMT

Major step forward in theoretical description of two key properties of hot nuclei
In work published in Physical Review Letters, researchers from the RIKEN Nishina Center for Accelerator-Based Science and two universities in Vietnam—Duy Tan University and University of Khanh Hoa—have made a major breakthrough by proposing, for the first time, a unified and consistent microscopic approach capable of describing simultaneously two important quantities for understanding the statistical properties of nuclei—the nuclear level density and the emission probability of gamma-rays from hot nuclei—which play essential roles in stellar nucleosynthesis.
General Physics News - Science News, Physics News, Physics, Material Sciences, Science , Sat, 14 Jan 2017 06:20:24 GMT

Stanford physicist suggests looking for dark matter in unusual places
For decades, particle physics has been the domain of massive colliders that whip particles around at high speeds and smash them into one another while teams of thousands observe the results. These kinds of experiments have produced great insights into forces and particles that make up the physical world.
General Physics News - Science News, Physics News, Physics, Material Sciences, Science , Sat, 14 Jan 2017 06:20:24 GMT

Hand-held X-ray sources
Electronic oscillations in graphene could make a tabletop — or even handheld — source of X-rays a reality, report researchers.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Scientists evade the Heisenberg uncertainty principle
Researchers report the discovery of a new technique that could drastically improve the sensitivity of instruments such as magnetic resonance imagers (MRIs) and atomic clocks. The study reports a technique to bypass the Heisenberg uncertainty principle. This technique hides quantum uncertainty in atomic features not seen by the instrument, allowing the scientists to make very high precision measurements.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Ultrafast measurements explain quantum dot voltage drop
Solar cells and photodetectors could soon be made from new types of materials based on semiconductor quantum dots, thanks to new insights based on ultrafast measurements capturing real-time photoconversion processes.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Hand-held X-ray sources
Electronic oscillations in graphene could make a tabletop — or even handheld — source of X-rays a reality, report researchers.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Scientists evade the Heisenberg uncertainty principle
Researchers report the discovery of a new technique that could drastically improve the sensitivity of instruments such as magnetic resonance imagers (MRIs) and atomic clocks. The study reports a technique to bypass the Heisenberg uncertainty principle. This technique hides quantum uncertainty in atomic features not seen by the instrument, allowing the scientists to make very high precision measurements.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Ultrafast measurements explain quantum dot voltage drop
Solar cells and photodetectors could soon be made from new types of materials based on semiconductor quantum dots, thanks to new insights based on ultrafast measurements capturing real-time photoconversion processes.
Physics News -- ScienceDaily, Fri, 24 Mar 2017 13:17:20 GMT

Molecular motors drive liquid through large channels
Surprising result not expected to occur on macroscopic scales
physicsworld.com: news, Fri, 24 Mar 2017 13:17:20 GMT

Flash Physics: Mapping Earth's magnetism, single-molecule vibronic spectroscopy, nanoclip could treat disease
Today's selection of need-to-know updates from the world of physics
physicsworld.com: news, Fri, 24 Mar 2017 13:17:20 GMT

Spin glass provides insight into brain activity
Model reveals functional role of spin-glass-like states in neurological networks
physicsworld.com: news, Fri, 24 Mar 2017 13:17:20 GMT

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SciCentral picks

The top 5 resources
selected by our team
for physics/chemistry
news coverage:


PhysOrg.com
rank:1
white line spacer PhysicsWorld
rank:2
white line spacer APS Physics
rank:3
white line spacer AIP's Physics Today
rank:4
white line spacer PhysLink
rank:5
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