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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

Growth under pressure: New metamaterial designed with counterintuitive property
Inspired by 3-D printing, researchers explored development of one mechanical property called effective static compressibility. As they now report, by using a single cartridge it's possible to print a metamaterial which expands in size under hydrostatic pressure, even though it's made up of material which behaves normally under hydrostatic pressure -- that is, it shrinks. In principle, there is no limit to the negative value this material's effective compressibility can take.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

Clarifying the mechanism for suppressing turbulence through ion mass
Scientists have clarified through theory and simulation research that turbulence in a plasma confined in the magnetic field is suppressed and the heat and particle losses are reduced in cases with larger ion mass. This research provides a novel understanding for clarifying the 'ion mass effect' which has been a riddle since the beginning of fusion and plasma research.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

From abundant hydrocarbons to rare spin liquids
Fuel such as gasoline is made up of hydrocarbons -- a family of molecules consisting entirely of carbon and hydrogen. Pigment and dye, coal and tar are made up of hydrocarbons too. These common, abundant materials, sometimes even associated with waste, are not often thought of as being electronically or magnetically interesting. But now scientists have made a significant find.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

Growth under pressure: New metamaterial designed with counterintuitive property
Inspired by 3-D printing, researchers explored development of one mechanical property called effective static compressibility. As they now report, by using a single cartridge it's possible to print a metamaterial which expands in size under hydrostatic pressure, even though it's made up of material which behaves normally under hydrostatic pressure -- that is, it shrinks. In principle, there is no limit to the negative value this material's effective compressibility can take.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

Clarifying the mechanism for suppressing turbulence through ion mass
Scientists have clarified through theory and simulation research that turbulence in a plasma confined in the magnetic field is suppressed and the heat and particle losses are reduced in cases with larger ion mass. This research provides a novel understanding for clarifying the 'ion mass effect' which has been a riddle since the beginning of fusion and plasma research.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

From abundant hydrocarbons to rare spin liquids
Fuel such as gasoline is made up of hydrocarbons -- a family of molecules consisting entirely of carbon and hydrogen. Pigment and dye, coal and tar are made up of hydrocarbons too. These common, abundant materials, sometimes even associated with waste, are not often thought of as being electronically or magnetically interesting. But now scientists have made a significant find.
Physics News -- ScienceDaily, Tue, 25 Apr 2017 15:31:03 GMT

Seeing through fog using noisy light
New method tracks objects in scattering media
physicsworld.com: news, Tue, 25 Apr 2017 15:31:03 GMT

Thousands march for science in Washington
Protestors gather in the US capital and at almost 600 other places across the world
physicsworld.com: news, Tue, 25 Apr 2017 15:31:03 GMT

Flash Physics: Supernova appears in four places, spins galore in germanium, Chinese rocket docks with space lab
Today's selection of need-to-know updates from the world of physics
physicsworld.com: news, Tue, 25 Apr 2017 15:31:03 GMT

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PhysOrg.com
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white line spacer PhysicsWorld
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white line spacer APS Physics
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white line spacer AIP's Physics Today
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white line spacer PhysLink
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