(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space Telescope first ...
Astronomy
May 12, 2011
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The primary method by which astronomers can measure magnetic field strength on stars is the Zeeman effect. This effect is the splitting of spectral lines into two due to the magnetic field's effect on the quantum structure ...
Astronomy
Dec 20, 2010
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In solar cells, solar radiation boosts electrons to higher energy states, thereby releasing them from their atomic bonds as electricity begins to flow. Scientists led by Professor Alexander Holleitner, physicist at the Technische ...
Nanophysics
Oct 21, 2010
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If you think global warming is bad, 11 billion years ago the entire universe underwent, well, universal warming.
Astronomy
Oct 7, 2010
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Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University (BU) has taken a step toward making such futuristic ...
Optics & Photonics
May 6, 2010
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A team of scientists working at beamline 9.0.1 of the Advanced Light Source (ALS) at the U.S. Department of Energy's Lawrence Berkeley National Laboratory has used x-ray diffraction microscopy to make images of whole yeast ...
General Physics
Apr 27, 2010
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(PhysOrg.com) -- At very cold temperatures, in the absence of light, a photomultiplier will spontaneously emit single electrons. The phenomenon, which is called "cryogenic electron emission," was first observed nearly 50 ...
(PhysOrg.com) -- UCLA has opened its on-campus technology incubator space at the California NanoSystems Institute to WaveConnex Inc., a startup company that plans to conduct proof-of-concept research for the development of ...
Engineering
Feb 8, 2010
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(PhysOrg.com) -- A major hurdle in the ambitious quest to design and construct a radically new kind of quantum computer has been finding a way to manipulate the single electrons that very likely will constitute the new machines' ...
Quantum Physics
Feb 5, 2010
20
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Scientists at Max Planck Institute of Plasma Physics (IPP) in Garching and Greifswald and Fritz Haber Institute in Berlin, Germany, have discovered a new way in which high-energy radiation in water can release slow electrons. ...
Plasma Physics
Jan 20, 2010
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