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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

Physicists excited by discovery of new form of matter, excitonium
Excitonium has a team of researchers ... well... excited! They have demonstrated the existence of an enigmatic new form of matter, which has perplexed scientists since it was first theorized almost 50 years ago.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

Blackbody radiation from a warm object attracts polarizable objects
You might think that a hot object pushes atoms and molecules away due to radiation pressure. But a research team showed that for a polarizable atom, the opposite occurs: the hot object attracts it. Using an atom interferometer, they found the attraction was 20 times stronger than the gravitational attraction between a tungsten object and a cesium atom. Though negligible in most situations, next-generation gravitational wave experiments may have to take this into account.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

'Toolboxes' for quantum cybersecurity
A quantum information scientist has developed efficient 'toolboxes' comprising theoretical tools and protocols for quantifying the security of high-speed quantum communication.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

Physicists excited by discovery of new form of matter, excitonium
Excitonium has a team of researchers ... well... excited! They have demonstrated the existence of an enigmatic new form of matter, which has perplexed scientists since it was first theorized almost 50 years ago.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

Blackbody radiation from a warm object attracts polarizable objects
You might think that a hot object pushes atoms and molecules away due to radiation pressure. But a research team showed that for a polarizable atom, the opposite occurs: the hot object attracts it. Using an atom interferometer, they found the attraction was 20 times stronger than the gravitational attraction between a tungsten object and a cesium atom. Though negligible in most situations, next-generation gravitational wave experiments may have to take this into account.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

'Toolboxes' for quantum cybersecurity
A quantum information scientist has developed efficient 'toolboxes' comprising theoretical tools and protocols for quantifying the security of high-speed quantum communication.
Physics News -- ScienceDaily, Sun, 10 Dec 2017 23:21:02 GMT

Continuous atom laser one step closer, say physicists
New way of cooling atoms is unveiled
physicsworld.com: news, Sun, 10 Dec 2017 23:21:02 GMT

Gyrated dice achieve perfect packing
A twist in the tale of granular compaction
physicsworld.com: news, Sun, 10 Dec 2017 23:21:02 GMT

Qubits transferred between atomic gas and a crystal
System uses optical fibre and three different photons
physicsworld.com: news, Sun, 10 Dec 2017 23:21:02 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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