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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

Energy-efficient accelerator was 50 years in the making
With the introduction of the Cornell-Brookhaven ERL Test Accelerator, scientists are following up on the concept of energy-recovering particle accelerators first introduced by physicist Maury Tigner at Cornell more than 50 years ago.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

Most precise measurement of the proton's mass
By means of precision measurements on a single proton, scientists have been able to improve the precision of the measurement of the mass of the proton by a factor of three and also corrected the existing value, finding it is significantly lighter than previously believed.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

Vortex photons from electrons in circular motion
A high energy electron in circular/spiral motion radiates vortex photons in the entire wavelength range from the radio-wave to the gamma-rays, researchers have shown theoretically and experimentally. This greatly broadens application spectra of the vortex photons in the field of physical science. Moreover, the finding indicates that vortex photons are ubiquitous in the universe. It paves a way to a completely new research field, natural vortex photon science.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

Energy-efficient accelerator was 50 years in the making
With the introduction of the Cornell-Brookhaven ERL Test Accelerator, scientists are following up on the concept of energy-recovering particle accelerators first introduced by physicist Maury Tigner at Cornell more than 50 years ago.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

Most precise measurement of the proton's mass
By means of precision measurements on a single proton, scientists have been able to improve the precision of the measurement of the mass of the proton by a factor of three and also corrected the existing value, finding it is significantly lighter than previously believed.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

Vortex photons from electrons in circular motion
A high energy electron in circular/spiral motion radiates vortex photons in the entire wavelength range from the radio-wave to the gamma-rays, researchers have shown theoretically and experimentally. This greatly broadens application spectra of the vortex photons in the field of physical science. Moreover, the finding indicates that vortex photons are ubiquitous in the universe. It paves a way to a completely new research field, natural vortex photon science.
Physics News -- ScienceDaily, Sun, 23 Jul 2017 17:18:14 GMT

How to make liquid drops with rings like Saturn
Flash Physics: need-to-know updates from the world of physics
physicsworld.com: news, Sun, 23 Jul 2017 17:18:14 GMT

Attosecond physicist honoured by Royal Society
Flash Physics: need-to-know updates from the world of physics
physicsworld.com: news, Sun, 23 Jul 2017 17:18:14 GMT

Roger Penrose asks if a cyclic cosmology is lurking in LIGO noise?
Flash Physics: need-to-know updates from the world of physics
physicsworld.com: news, Sun, 23 Jul 2017 17:18:14 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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