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February 2002

Volume 55, Issue 2

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Annular Modes and Climate Prediction

John M. Wallace and David W. J. Thompson
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Links between stratospheric wind patterns and ground‐based climate offer hope of improved long‐range weather forecasting and provide a possible explanation for some conspicuous climate trends of the past few decades.

Large Extra Dimensions: A New Arena for Particle Physics

Nima Arkani‐Hamed, Savas Dimopoulos, and Georgi Dvali
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The electroweak unification energy may be the only fundamental scale in nature. If so, new dimensions, black holes, quantum gravity, and string theory will become experimentally accessible in this decade.
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The Grid: A New Infrastructure for 21st Century Science

Ian Foster
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As computer networks become cheaper and more powerful, a new computing paradigm is poised to transform the practice of science and engineering.
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Physics Update

Philip F. Schewe and Benjamin P. Stein
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Models, Morals, and Metaphors

Leo P. Kadanoff
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Physics First: Of Insight, Pool Balls, Stasis, and the Scientist in the Crib

Michael Bretz, Ian Thomas, and Douglas C. Giancoli
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Physics First: Of Insight, Pool Balls, Stasis, and the Scientist in the Crib‐Lederman Reply

Leon M. Lederman
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An Earlier Bar to Rescaling Units

George C. Baldwin
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Is The Universe's Expansion Accelerating?

Alex Harvey
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A Moment of Gravity

Marcelo Alonso
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Magnetism and Superconductivity Fight for Control in High‐Tc Superconductors

Barbara Goss Levi
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Researchers interested in exploring the competition between forces that pair electrons and those that align the atomic spins have found it useful to look at the area around magnetic flux lines threading through the material.

Ultrashort Laser Pulses Can Control X‐Ray Switch

Richard Fitzgerald
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The ability to direct pulses of x‐ray synchrotron radiation using femtosecond lasers may open a new avenue for time‐resolved x‐ray studies.

Correcting a Correction Weakens a Whiff of Supersymmetry

Bertram Schwarzschild
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Astronomers Envision Linking World Data Archives

Toni Feder
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Virtual observatories could change the sociology of astronomy. But to bring them about, financial, political, technical, and sociological challenges must first be met.

Federal R&D Tops $103 Billion, but Physics Stays Flat

Jim Dawson
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Four years of federal budget surpluses are giving way to deficit spending, thanks in large part to terrorists, war, and recession. As the unanticipated spending began late in the budget process, overall science appropriations increased significantly.

Marburger Focuses on War against Terrorism

Jim Dawson
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UK Joins ESO

Toni Feder
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Tarter to Leave Livermore's Top Job

Toni Feder
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News Notes

Jim Dawson and Toni Feder
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Web Watch

Charles Day
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Electrodynamics from Ampère to Einstein

Olivier Darrigol and Daniel M. Siegel, Reviewer
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Three Roads to Quantum Gravity

Lee Smolin and Jorge Pullin, Reviewer
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Physics for Radiation Protection and Permissible Dose: A History of Radiation Protection in the Twentieth Century

James E. Martin, J. Samuel Walker, and James A. Deye, Reviewer
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Nine Crazy Ideas in Science: A Few Might Even Be True

Robert Ehrlich and William H. Ingham, Reviewer
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New Books

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Focus on Magnetics

Lawrence G. Rubin
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Manin, Shor Win King Faisal Prize

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APS to Present Awards at March Meeting

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AAPT Elects New Vice President

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Russel Chosen to Head SoR

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In Brief

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Ralph P. Shutt

David Rahm, Nicholas Samios, and Erich Willen
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Fred David Rosi

Leonard R. Weisberg and George D. Cody
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