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May 2002

Volume 55, Issue 5

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Quantum Cascade Lasers

Federico Capasso, Claire Gmachl, Deborah L. Sivco, and Alfred Y. Cho
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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.

Relativity and the Global Positioning System

Neil Ashby
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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.
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Advanced Physics in the High Schools

Jerry P. Gollub and Robin Spital
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A study by the National Research Council makes several recommendations for improving the Advanced Placement program in the US.
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Physics Update

Philip F. Schewe and Benjamin P. Stein
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Singular Limits

Michael Berry


See Also: Erratum

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Einstein, Picasso, and Cubism: ‘Seeing’ the Fourth Dimension

Charles Zigmund, Richard H. Tourin, and Stephen G. Brush
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Acoustic Surgery Devices in Clinical Trials

Kirby G. Vosburgh, Narendra T. Sanghvi, and Gail ter Haar
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Bell Labs Had Role in EDFA Development

Emmanuel Desurvire
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More Heat Over Greenhouse Gases

Benjamin M. Herman, Xubin Zeng, Tom Chase, and Roger Pielke, Sr
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Notes on Alpher, Herman, and Moore

Kurt E. Shuler
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Corrections

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Nuclear Magnetic Resonance Spotlights Atomic Actors in Enzyme Dynamics

Charles Day
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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

Bertram Schwarzschild
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A close encounter with a supernova two million years ago might be responsible for a widespread extinction of mollusks.

Quantum Point Contact Mysteries Reexamined

Richard Fitzgerald
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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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Women, and Some Men, Ask Why Women Don't Flock to Physics

Toni Feder
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At the first International Conference on Women in Physics, participants traded stories and statistics and forged personal and professional contacts.

Orbach Brings Enthusiasm for Research and Desire for Increased Funding to Office of Science

Jim Dawson
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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.

Visionaries Gather to Honor John Wheeler

Stephen G. Benka
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Polkinghorne Pockets Religion Prize

Toni Feder
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JASON Courts New Sponsor after DARPA Cancels Contract

Jim Dawson
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CERN Outlines Plan to Pay for LHC

Toni Feder
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Creationists Have Designs on Ohio

Jim Dawson
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News Notes

Toni Feder, Paul Guinnessy, Anthony Tweed, and Judith Barker
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Web Watch

Charles Day
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Long Beach Host CLEO∕QELS

Judy Barker
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Crystallographers Meet in San Antonio

Judy Barker
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A Quest for Perspectives: Selected Works of S. Chandrasekhar (With Commentary)

Kameshwar C. Wali and William H. Press, Reviewer
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Electricity and Magnetism in Biological Systems

D. T. Edmonds and Robert K. Adair, Reviewer
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Nuclear Reactor Physics

Weston M. Stacey and Noel Corngold, Reviewer
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Low Temperature Electronics: Physics, Devices, Circuits, and Applications

Edmundo A. Gutiérrez‐D., M. Jamal Deen, Cor L. Claeys, and Lawrence G. Rubin, Reviewer
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Wavelets: Tools for Science and Technology

Stéphane Jaffard, Yves Meyer, Robert D. Ryan, David L. Donoho, Reviewer, and Paul L. Donoho, Reviewer
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A First Course in Wavelets with Fourier Analysis

Albert Boggess, Francis J. Narcowich, David L. Donoho, Reviewer, and Paul L. Donoho, Reviewer
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Theoretical Astrophysics—Volume I: Astrophysical Processes and Volume II: Stars and Stellar Systems

T. Padmanabhan and Ira M. Wasserman, Reviewer
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New Books

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Focus on Lasers and Optics

Lawrence G. Rubin
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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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Edward Raymond Andrew

Richard W. Briggs
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Arthur Falnes Davidsen

Paul D. Feldman, William P. Blair, and Bruce Margon
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Bruce Sween Liley

Robert L. Dewar, Ian Hutchinson, R. S. “Bas” Pease, and Alan Ware
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Timothy Edward Toohig

James R. Sanford, Rich Orr, and Edwin L. Goldwasser
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Charles William Van Atta

Carl H. Gibson, Paul A. Libby, and Sutanu Sarkar
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