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Quantum Cascade Lasers |
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Band-structure engineering has led to a fundamentally new laser with applications
ranging from highly sensitive trace-gas analysis to communications -- Federico Capasso,
Claire Gmachl, Deborah L. Sivco, and Alfred Y. Cho |
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Relativity and the Global Positioning System |
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We need general relativity to understand extreme astrophysical realms. But the theory
also turns out to be essential for the many mundane activities that nowadays rely on the precision of the GPS -- Neil Ashby |
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Advanced Physics in the High Schools |
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A study by the National Research Council makes several recommendations for improving the Advanced Placement program in the US -- Jerry P. Gollub and Robin Spital |
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Readings from the Physics
Today Archive |
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Physics Update |
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Reference Frame |
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Singular limits -- Michael Berry |
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Letters |
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Einstein, Picasso, and Cubism:'Seeing' the Fourth Dimension |
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Acoustic Surgery Devices in Clinical Trials |
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Bell Labs Had Role in EDFA Development |
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More Heat Over Greenhouse Gases |
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Notes on Alpher, Herman, and Moore |
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Correction |
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Search & Discovery |
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Nuclear Magnetic Resonance Spotlights Atomic Actors in Enzyme Dynamics |
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For years, biologists have used NMR to determine molecular structures. Now they're using it to see how those structures change shape. |
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Recent Nearby Supernovae May Have Left Their Marks on Earth |
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A close encounter with a supernova two million years ago might be responsible for a widespread extinction of mollusks. |
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Quantum Point Contact Mysteries Reexamined |
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The Kondo effect is well established in metals and in quantum dots. Could something similar be occurring in quantum point contacts? |
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Issues & Events |
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Women, and Some Men, Ask Why Women Don't Flock to Physics |
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At the first International Conference on Women in Physics, participants traded stories and statistics and forged personal and professional contacts. |
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Orbach Brings Enthusiasm for Research and Desire for Increased Funding to Office of Science |
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The DOE's new Office of Science director expresses particular interest in nanoscience and fusion research and wants the US involved in ITER. |
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Visionaries Gather to Honor John Wheeler |
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Why the quantum? How come existence? It from bit? A participatory universe? What makes meaning? Those are some of the "Really Big Questions" of John Archibald Wheeler. |
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Polkinghorne Pockets Religion Prize |
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Physicist and priest John Polkinghorne is this year's winner of the Templeton Prize, first bestowed in 1973 on Mother Teresa. |
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Jason
Courts New Sponsor after DARPA Cancels Contract |
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After three months of uncertainty following a contentious breakup with its long-time US Department of Defense sponsor, the independent science advisory group JASON was on the verge in mid-April of signing a contract with a new DOD sponsor. |
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CERN Outlines Plan to Pay for LHC |
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CERN management has sketched a preliminary plan to pay the extra costs of the Large Hadron Collider, a 14-TeV proton collider being built in a tunnel under the French-Swiss border. |
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Creationists Have Designs on Ohio |
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In what may be a reprise of the theory of evolution controversy that beset the Kansas public education system a couple of years ago, the Ohio board of education is embroiled in a growing dispute between scientists and advocates of a new version of creationism called "intelligent design." |
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News Notes |
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US-Mexico radio telescope; Albany wafer R&D center; Barcelona light source; MIT-Army nanotechnology center; Georgia starts NSF-inspired agency; Materials journal |
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Web Watch |
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The Universe in the Classroom; Insultingly Stupid Movie Physics; Physics in Canada Online |
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Society Meetings |
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Long Beach Hosts CLEO/QELS |
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Crystallographers Meet in San Antonio |
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Books |
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A Quest for Perspectives: Selected Works of S. Chandrasekhar (With Commentary), edited by Kameshwar C. Wali (reviewed by William H. Press) |
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Electricity and Magnetism in Biological Systems, D. T. Edmonds (reviewed by Robert K. Adair) |
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Nuclear
Reactor Physics, Weston M. Stacey (reviewed by Noel
Corngold) |
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Low Temperature Electronics: Physics, Devices, Circuits, and Applications, Edmundo A. Gutiérrez-D., M. Jamal Deen, and Cor L. Claeys (reviewed by Lawrence G. Rubin) |
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Wavelets: Tools for Science and Technology, Stéphane Jaffard, Yves Meyer, and Robert D. Ryan A First Course in Wavelets with Fourier Analysis , Albert Boggess and Francis J. Narcowich (reviewed by David L. Donoho and Paul L. Donoho) |
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Theoretical Astrophysics - Volume I: Astrophysical Processes and Volume II: Stars and Stellar Systems , E. R. Dobbs (reviewed by R. B. Hallock) |
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New Books |
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New Products |
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We Hear That |
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McKenzie Wins Crafoord Prize |
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German Society Bestows Awards |
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AAAS Honors Scientific Achievement |
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AAS Elects New Vice President |
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In Brief |
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Obituaries |
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Victor Iosifovich Belinicher |
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William McCullough MacDonald |
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Bruce Sween Liley |
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Timothy Edward Toohig |
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Charles William Van Atta |
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Job
Opportunities |