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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 design $100 handheld muon detector
Physicists have designed a pocket-sized cosmic ray muon detector to track these ghostly particles. The detector can be made with common electrical parts, and when turned on, it lights up and counts each time a muon passes through. The relatively simple device costs just $100 to build, making it the most affordable muon detector available today.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

Quantum dots amplify light with electrical pumping
In a breakthrough development, scientists have shown that they can successfully amplify light using electrically excited films of the chemically synthesized semiconductor nanocrystals known as quantum dots.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

A curious quirk brings organic diode lasers one step closer
Since their invention in 1962, semiconductor diode lasers have revolutionized communications and made possible information storage and retrieval in CDs, DVDs and Blu-ray devices. These diode lasers use inorganic semiconductors grown in elaborate high vacuum systems. Now, a team of researchers has taken a big step toward creating a diode laser from a hybrid organic-inorganic material that can be deposited from solution on a laboratory benchtop.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

Physicists design $100 handheld muon detector
Physicists have designed a pocket-sized cosmic ray muon detector to track these ghostly particles. The detector can be made with common electrical parts, and when turned on, it lights up and counts each time a muon passes through. The relatively simple device costs just $100 to build, making it the most affordable muon detector available today.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

Quantum dots amplify light with electrical pumping
In a breakthrough development, scientists have shown that they can successfully amplify light using electrically excited films of the chemically synthesized semiconductor nanocrystals known as quantum dots.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

A curious quirk brings organic diode lasers one step closer
Since their invention in 1962, semiconductor diode lasers have revolutionized communications and made possible information storage and retrieval in CDs, DVDs and Blu-ray devices. These diode lasers use inorganic semiconductors grown in elaborate high vacuum systems. Now, a team of researchers has taken a big step toward creating a diode laser from a hybrid organic-inorganic material that can be deposited from solution on a laboratory benchtop.
Physics News -- ScienceDaily, Tue, 21 Nov 2017 16:15:45 GMT

Porpoise’s forehead acts like an acoustic metamaterial
Echolocation beam controlled with deformable tissue
physicsworld.com: news, Tue, 21 Nov 2017 16:15:45 GMT

Quantum Circuits bags $18m in first-round financing
Flash Physics: need-to-know updates from the world of physics
physicsworld.com: news, Tue, 21 Nov 2017 16:15:45 GMT

Arecibo Observatory lives on, but with less money
Flash Physics: need-to-know updates from the world of physics
physicsworld.com: news, Tue, 21 Nov 2017 16:15:45 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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