It is obvious from the data of the KASCADE-Grande experiment at the Karlsruhe Institute of Technology (KIT) that the so-called "knee" of the cosmic rays, a bend in the energy spectrum at high energies, is ...
May 09, 2013
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A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world. The eruption, which is classified as a gamma-ray burst, or GRB, and designated GRB 130427A, ...
May 03, 2013
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Life as we know it is based upon the elements of carbon and oxygen. Now a team of physicists, including one from North Carolina State University, is looking at the conditions necessary to the formation of ...
Mar 13, 2013
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Conventional, as well as compact, laser-based particle acceleration schemes hinge on accelerating electric fields and are therefore ineffective for neutral atoms, which do not respond to these fields. Researchers ...
Jan 27, 2013
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U.S. Naval Research Laboratory scientists in the Electronics Technology and Science Division, in collaboration with the Imperial College London and MicroLink Devices, Inc., Niles, Ill., have proposed a novel ...
Jan 14, 2013
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(Phys.org)—Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from ...
Nov 01, 2012
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In September 2012 an experiment at the TRIUMF accelerator complex reached a milestone. The FrPNC collaboration —-short hand for Francium Parity Non-conservation—-succeeded in trapping several kinds of ...
Oct 29, 2012
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(Phys.org)—The rapidly evolving technology of laser plasma accelerators (LPAs) – called "table-top accelerators" because their length can be measured in centimeters instead of kilometers – promises ...
Oct 22, 2012
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(Phys.org)—NASA's Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the ...
Oct 05, 2012
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Ten Iowa State University physicists have their names on a new paper describing how the ATLAS Experiment at the Large Hadron Collider has observed a new particle in the search for the Higgs boson. ...
Aug 31, 2012
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(Phys.org)—The Fabry-Perot (FP) interferometer is one of the most fundamental and important optical instruments used for accurate measurements and control of the wavelength of light, and for making lasers. ...
Aug 23, 2012
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(Phys.org) -- An international team of astronomers using data from the European Space Agency's (ESA) XMM-Newton satellite has identified a long-sought X-ray "echo" that promises a new way to probe supersized ...
May 31, 2012
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(PhysOrg.com) -- After more than three years in space, NASA's Fermi Gamma-ray Space Telescope is extending its view of the high-energy sky into a largely unexplored electromagnetic range. Today, the Fermi ...
Jan 10, 2012
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Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical Review Le ...
Nov 23, 2011
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A thousand years ago, a brilliant beacon of light blazed in the sky, shining brightly enough to be seen even in daytime for almost a month. Native American and Chinese observers recorded the eye-catching event. ...
Oct 06, 2011
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