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Magnetic semiconductors
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Teaching magnets to do more than just stick around That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and large, processing information on your c...
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National Ignition Facility
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At 3:00 AM on March 10, the National Ignition Facility became the world's first fusion laser facility to break the one-megajoule barrier. NIF's 192 laser beams delivered 1.1 million joules (MJ) of ultraviolet energy to the center of its ten-meter-diameter target chamber (a megajoule is the energ...
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Big Wave Model
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The Big Wave Model is based upon an analogy to the physics of neutron scattering by a nucleus. The incoming neutron is represented by a plane wave, which is decomposed into spherical Bessel function components to match the Center-of Mass system of the two particles. The Schrodinger Wave Equations a...
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NuMoon
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Astronomers are watching the moon to glimpse the first evidence of extremely energetic neutrinos in a growing number of projects looking for the most energetic neutrinos by aiming radio telescopes at the moon. Researchers normally look for the elusive neutrino by trekking to Antarctica, the Med...
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Cosmic Ray Detector
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FIU program builds cosmic ray detector For most teenagers, summer vacation and particle physics don't exactly go together. But the four high school students spending the summer at Florida International University aren't exactly most teenagers. They're working alongside nuclear physicists t...
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Liquids
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Streaming sand grains help define essence of a liquid Water forms droplets because attractive interactions between molecules produce surface tension. If macroscopic objects - say, grains of sand - replace the molecules, the relative strength of this attraction would dramatically drop. What v...
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Magnetic Super-atoms
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Magnetic Super-atoms Discovered Scientists have discovered a 'magnetic superatom', which one day may be used to create molecular electronic devices for the next generation of faster computers with larger memory storage. Found by a team of Virginia Commonwealth University (VCU) scientists, t...
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Facility for Rare Isotope Beams
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In a scientific keynote address on Friday, June 12 at Michigan State University (MSU) in East Lansing, James Symons, Director of Berkeley Lab's Nuclear Science Division (NSD), discusses the exciting research prospects of the new Facility for Rare Isotope Beams (FRIB) to be built at MSU's Nationa...
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Quantum electric motor
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Theoretical physicists Alexey Ponomarev, Peter Hänggi, and colleagues at the University of Augsburg, Germany, have proposed designs for a quantum-mechanical electric motor. Their motor consists of two ultracold atoms trapped in a ring of laser light. One atom has a electron missing and is el...
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Cosmic-Ray Antiparticles
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Title: Search for Cosmic-Ray Antiparticles with Balloon-borne Experiments Authors: Ph. von Doetinchem, H. Gast, St. Schael This work discusses the prospects of antiparticle flux measurements with the proposed PEBS detector. The project foresees long duration balloon flights at one of Earth...
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X-ray magnetic circular dichroism
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Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the "giant magnetoresistance effect," which made it possible to pack more data onto smaller and smaller hard drives. No...
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Europium Abundances
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Title: A New Technique for Determining Europium Abundances in Solar-Metallicity Stars Authors: Kathryn M. G. Peek (Version v2) We present a new technique for measuring the abundance of europium, a representative r-process element, in solar-metallicity stars. Our algorithm compares LTE synt...
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MIMAC project
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Title: Micromegas micro-TPC for direct Dark Matter search with MIMAC Authors: F. Mayet (1), O. Guillaudin (1), C. Grignon (1), C. Koumeir (1), D. Santos (1), P. Colas (2), I. Giomataris (2) ((1) LPSC Grenoble, (2) CEA Saclay) The MIMAC project is a multi-chamber detector for Dark Matter search, aim...
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True muonium
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True muonium, a long-theorised but never-seen atom, might be observed in future experiments, thanks to recent theoretical work by researchers at the Department of Energy's SLAC National Accelerator Laboratory and Arizona State University. True muonium was first theorised more than 50 years a...
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Pulsars for Interstellar Navigation
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Signals from pulsars could form a natural GPS system that could locate any object in the galaxy to within a meter. Signals from four pulsars: 0751+1807 (3.5ms), 2322+2057 (4.8ms), 0711-6830 (5.5ms) and 1518+0205B (7.9ms), generate regular millisecond radio signals, which can be used to form a ro...
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