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April 2003

Volume 56, Issue 4

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Technical and Policy Issues of Counterterrorism—A Primer for Physicists

Jay Davis and Don Prosnitz
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No longer threatened by a rival superpower, the US now faces the growing danger of clandestine terrorist groups. Effectively countering terrorists requires that physicists actively contribute to the nation's defense.

Quantum Entanglement: A Modern Perspective

Barbara M. Terhal, Michael M. Wolf, and Andrew C. Doherty
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It's not your grandfather's quantum mechanics. Today, researchers treat entanglement as a physical resource: Quantum information can now be measured, mixed, distilled, concentrated, and diluted.

Supernovae, Dark Energy, and the Accelerating Universe

Saul Perlmutter
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Using very distant supernovae as standard candles, one can trace the history of cosmic expansion and try to find out what's currently speeding it up.
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Physics Update

Phil Schewe and Stephen Benka
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Dark Energy: Just What Theorists Ordered

Michael S. Turner
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Research, Ownership, Misconduct—Readers Respond

Art Blair, Laurence N. Wesson, J. A. Van Vechten, Martin E. Ross, James C. McGroddy, Frederic A. Lyman, Jed Rothwell, and Robert B. Laughlin
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Bayesian Probability and One Bad Apple

Bruno Lunelli
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Reader Inquires: Who Was Thomas Hakon Gronwall?

Alan Gluchoff
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WMAP Spacecraft Maps the Entire Cosmic Microwave Sky With Unprecedented Precision

Bertram Schwarzschild
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A year of full‐sky observation by the newly rechristened Wilkinson Microwave Anisotropy Probe greatly strengthens the case for inflationary Big Bang cosmology.

Stone Cold: Patterned Ground in Alpine and Arctic Regions

Steven K. Blau
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Microwaves Induce Vanishing Resistance in Two‐Dimensional Electron Systems

Richard Fitzgerald
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At modest magnetic fields and microwave excitations, the resistance of a 2D semiconductor can oscillate all the way to zero.

Ultrashort Laser Pulses Beget Even Shorter Bursts in the Extreme Ultraviolet

Charles Day
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The attophysics frontier is about to expand, thanks to the newly won ability to control the phase of amplified laser pulses.
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Kick‐Starting Developing Economies With Relevant Technologies

Toni Feder
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Martin Fisher puts his mind to using technology to facilitate microentre‐preneurs in East Africa.

US Research Grants Are Critical to Former Soviet Weapons Scientists, but Not a Long‐Term Solution

Jim Dawson
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Russia and other former Soviet republics inherited a massive nuclear weapons program they could no longer afford. Thousands of former weapons scientists have been subsidized by US grants, but finding them permanent, civilian jobs has proven to be extremely difficult.
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Exact Change Needed, No Boom Boxes, Do Physics

Steven K. Blau
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India Ups R&D Investment

Paul Guinnessy
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DESY Laser Gets the Nod, Collider Bid Deferred

Toni Feder
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European Spallation Source: Dead or Alive?

Toni Feder
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Chief Quits Spain's Research Institutions

Toni Feder
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Bankruptcy Hits Publishers, Libraries

Paul Guinnessy
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News Notes

Toni Feder
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Web Watch

Charles Day
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Flatterland: Like Flatland, Only More So

Ian Stewart and Leonard Parker, Reviewer
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The Annotated Flatland: A Romance of Many Dimensions

Edwin A. Abbott, Ian Stewart, and Leonard Parker, Reviewer
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Physics and the Art of Dance: Understanding Movement

Kenneth Laws and Judy Kupferman, Reviewer
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Envisioning Science: The Design and Craft of the Science Image

Felice Frankel and G. I. Barenblatt, Reviewer
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Fundamentals and Applications of Ultrasonic Waves

J. David N. Cheeke and Moises Levy, Reviewer
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Wavelet Transforms and Their Applications

Lokenath Debnath and Jean‐Pierre Antoine, Reviewer
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Many‐Body Problems and Quantum Field Theory: An Introduction

Philippe A. Martin, François Rothen, and Michel Baranger, Reviewer
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New Books

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Focus on Materials

Lawrence G. Rubin
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AAS Honors Wetherill and Others

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Franklin Institute Names Award Winners for 2003

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Sunyaev to Receive Cosmology Prize

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German Physical Society Gives Awards

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Kirshner Elected President of AAS

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Jurnak Is Elected ACA Vice President

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In Brief

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Oreste Piccioni

William A. Wenzel, Robert A. Swanson, and Werner A. W. Mehlhop
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Morton Fischel Kaplon

Masatoshi Koshiba, Adrian C. Melissinos, and Malcolm P. Savedoff
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Larry Kevan

Barney L. Bales, Robert N. Schwartz, and Michael K. Bowman
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Jacques Pierre Friederich Sellschop

Robert John Caveney and Simon Henry Connell
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