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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

Unravelling the atomic and nuclear structure of the heaviest elements
Little is known about the heaviest, radioactive elements in Mendeleev's table. But an extremely sensitive technique involving laser light and gas jets makes it possible for the very first time to gain insight into their atomic and nuclear structure.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

Scientists create a nano-trampoline to probe quantum behavior
For the first time, scientists have measured quantum criticality by developing a thin membrane suspended in air by very narrow bridges, thereby forming a 'nano-trampoline'. This enabled specific heat measurements of thin films through a quantum phase transition from a superconducting state to an electrically insulating state close to absolute zero temperature, and is expected to be a milestone in the understanding of physical processes that govern the behavior of ultrathin systems at ultralow temperatures.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

New window into the nanoworld
For the first time ever, scientists have captured images of terahertz electron dynamics of a semiconductor surface on the atomic scale. The successful experiment indicates a bright future for the new and quickly growing sub-field called terahertz scanning tunneling microscopy (THz-STM). THz-STM allows researchers to image electron behavior at extremely fast timescales and explore how that behavior changes between different atoms.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

Unravelling the atomic and nuclear structure of the heaviest elements
Little is known about the heaviest, radioactive elements in Mendeleev's table. But an extremely sensitive technique involving laser light and gas jets makes it possible for the very first time to gain insight into their atomic and nuclear structure.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

Scientists create a nano-trampoline to probe quantum behavior
For the first time, scientists have measured quantum criticality by developing a thin membrane suspended in air by very narrow bridges, thereby forming a 'nano-trampoline'. This enabled specific heat measurements of thin films through a quantum phase transition from a superconducting state to an electrically insulating state close to absolute zero temperature, and is expected to be a milestone in the understanding of physical processes that govern the behavior of ultrathin systems at ultralow temperatures.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

New window into the nanoworld
For the first time ever, scientists have captured images of terahertz electron dynamics of a semiconductor surface on the atomic scale. The successful experiment indicates a bright future for the new and quickly growing sub-field called terahertz scanning tunneling microscopy (THz-STM). THz-STM allows researchers to image electron behavior at extremely fast timescales and explore how that behavior changes between different atoms.
Physics News -- ScienceDaily, Thu, 23 Feb 2017 09:27:32 GMT

Seven Earth-like exoplanets orbit nearby star
Conditions for life could exist on at least three of the rocky worlds
physicsworld.com: news, Thu, 23 Feb 2017 09:27:32 GMT

Flash Physics: 'Queen of Carbon' dies, LHCb spots rare B-meson decay, antineutrino detector is portable
Today's selection of need-to-know updates from the world of physics
physicsworld.com: news, Thu, 23 Feb 2017 09:27:32 GMT

Parents' enthusiasm for science boosts teens' exam scores
Talking to children about importance of STEM influences career choices
physicsworld.com: news, Thu, 23 Feb 2017 09:27:32 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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