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Physics/Chemistry News
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Today's physics/chemistry headlines from the sources selected by our team:

New portable vacuum standard
A novel Portable Vacuum Standard (PVS) has been added to the roster of NIST's Standard Reference Instruments (SRI). It is now available for purchase as part of NIST's ongoing commitment to disseminate measurement standards and thereby reduce the need for the expensive and time-consuming process of transporting customer instruments to NIST for calibration.
Phys.org: General Physics News, Tue, 27 Jan 2015 08:15:16 GMT

Prototype for first traceable PET-MR phantom
As cancer diagnostic tools, a new class of imagers – which combines positron-emission tomography (PET) with magnetic resonance imaging (MR or MRI) – has shown promise in the few years since these hybrid machines have been commercially available. But to thoroughly assess PET-MR scanners' clinical performance, researchers will need to calibrate the machines in a way that is traceable to a national standard.
Phys.org: General Physics News, Tue, 27 Jan 2015 08:15:16 GMT

Physicist suggests new experiments could make or break axion as dark matter theory
(Phys.org)—Leslie Rosenberg, a physicist with the University of Washington has published a paper in Proceedings of the National Academy of Sciences, describing the current state of research that involves investigating the possibility that axions are what make up dark matter. He also offers some perspective on the work suggesting that at least one project is likely to lead to either proving or disproving that axions are dark matter.
Phys.org: General Physics News, Tue, 27 Jan 2015 08:15:16 GMT

Engineering discovery brings invisibility closer to reality
Since the beginning of recorded time, humans have used materials found in nature to improve their lot. Since the turn of this century, scientists have studied metamaterials, artificial materials engineered to bend electromagnetic, acoustic and other types of waves in ways not possible in nature.
Phys.org: General Physics News, Tue, 27 Jan 2015 08:15:16 GMT

Researchers make magnetic graphene
Graphene has many desirable properties. Magnetism alas is not one of them. Magnetism can be induced in graphene by doping it with magnetic impurities, but this tends to disrupt graphene's electronic properties. Now physicists have found a way to induce magnetism in graphene while also preserving graphene's electronic properties. They have accomplished this by bringing a graphene sheet very close to a magnetic insulator -- an electrical insulator with magnetic properties.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:16 GMT

Visualizing interacting electrons in a molecule
Scientists have succeeded in directly imaging how electrons interact within a single molecule. Understanding this kind of electronic effects in organic molecules is crucial for their use in optoelectronic applications, for example in organic light-emitting diodes, organic field-effect transistors and solar cells.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:16 GMT

Entanglement on a chip: Breakthrough promises secure communications and faster computers
A team of scientists has developed, for the first time, a microscopic component that is small enough to fit onto a standard silicon chip that can generate a continuous supply of entangled photons.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:16 GMT

Heart-muscle model could help pinpoint regions of atrial fibrillation
Research could lead to better surgical treatments for preventing strokes
physicsworld.com: news, Tue, 27 Jan 2015 08:15:16 GMT

Rosetta data deluge reveals dynamic comet with sand dunes and jets
Measurements show 67P differs from previously studied comets in same class
physicsworld.com: news, Tue, 27 Jan 2015 08:15:16 GMT

Structured photons slow down in a vacuum
Speed of light drops slightly when photons are shaped by a mask
physicsworld.com: news, Tue, 27 Jan 2015 08:15:16 GMT

Researchers make magnetic graphene
Graphene has many desirable properties. Magnetism alas is not one of them. Magnetism can be induced in graphene by doping it with magnetic impurities, but this tends to disrupt graphene's electronic properties. Now physicists have found a way to induce magnetism in graphene while also preserving graphene's electronic properties. They have accomplished this by bringing a graphene sheet very close to a magnetic insulator -- an electrical insulator with magnetic properties.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:17 GMT

Visualizing interacting electrons in a molecule
Scientists have succeeded in directly imaging how electrons interact within a single molecule. Understanding this kind of electronic effects in organic molecules is crucial for their use in optoelectronic applications, for example in organic light-emitting diodes, organic field-effect transistors and solar cells.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:17 GMT

Entanglement on a chip: Breakthrough promises secure communications and faster computers
A team of scientists has developed, for the first time, a microscopic component that is small enough to fit onto a standard silicon chip that can generate a continuous supply of entangled photons.
Physics News -- ScienceDaily, Tue, 27 Jan 2015 08:15:17 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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