Blazars are galaxies whose central, supermassive black holes are accreting material from surrounding regions. Although black hole accretion happens in many galaxies and situations, in the case of a blazar the infalling material ...
Astronomy
Jun 6, 2016
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57
In the quest to harvest light for electronics, the focal point is the moment when photons—light particles—encounter electrons, those negatively-charged subatomic particles that form the basis of our modern electronic ...
Nanophysics
May 13, 2016
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26
As semiconductor nanowires emerge as indispensable building blocks for next-generation electronic, energy conversion, and photonic devices (i.e. solar panels, lasers), better understanding how to direct nanowire growth is ...
Nanophysics
Dec 10, 2015
0
6
As the world increasingly looks to alternative sources of energy, inexpensive and environmentally friendly polymer-based solar cells have attracted significant attention, but they still do not match the power harvest of their ...
Energy & Green Tech
Dec 2, 2015
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1137
Many people will remember them from physics lessons at school: Often represented as colourful clouds or balloons, electron orbitals provide information on the whereabouts of the electrons in atoms and molecules. Scientists ...
Quantum Physics
Oct 5, 2015
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110
As the demand grows for ever smaller, smarter electronics, so does the demand for understanding materials' behavior at ever smaller scales. Physicists at the U.S. Department of Energy's Ames Laboratory are building a unique ...
Quantum Physics
Aug 3, 2015
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1713
(Phys.org)—Currently, all light-emitting diodes (LEDs) emit light of only one color, which is predefined during fabrication. So far, tuning the color of light produced by a single LED has never been realized, despite numerous ...
When it comes to installing solar cells, labor cost and the cost of the land to house them constitute the bulk of the expense. The solar cells—made often of silicon or cadmium telluride—rarely cost more than 20 percent ...
Nanomaterials
Jul 28, 2015
9
1667
(Phys.org)—It was an interesting week for physics as a team of researchers with the University of California and the University of Tokyo proposed a new definition of time crystals—then proved such things don't exist—theory ...
If you want to understand how novel phases emerge in correlated materials, including high-temperature superconductivity and nanoscale electronic order, you can obtain completely new viewpoints by taking 'snapshots' of underlying ...
General Physics
Jun 12, 2015
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