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July 2004

Volume 57, Issue 7

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Dusty Plasmas in the Laboratory, Industry, and Space

Robert L. Merlino and John A. Goree
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Charged microparticles are an annoyance in the plasmas of fusion energy schemes and semiconductor manufacturing. But in laboratory plasmas and in space, they can be uniquely informative.

Lorentz Invariance on Trial

Maxim Pospelov and Michael Romalis
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Precision experiments and astrophysical observations provide complementary tests of Lorentz invariance and may soon open a window onto new physics. They have already constrained models of quantum gravity and cosmology.

Basic Choices and Constraints on Long‐Term Energy Supplies

Paul B. Weisz
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Population growth and energy demand are exhausting the world's fossil energy supplies, some on the timescale of a single human lifespan. Increasingly, sharing natural resources will require close international cooperation, peace, and security.

Thoughts on Long-Term Energy Supplies: Scientists and the Silent Lie

Albert A Bartlett
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The worlds population continues to grow. Shouldnt physicists care?
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Physics Update

Ben Stein and Phil Schewe
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Boost‐Phase Missile Defense Debate Continues

Dean Wilkening, Richard L. Garwin, Michael Levi, Truman Hunter, Daniel Kleppner, Frederick K. Lamb, and David Mosher
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Mercury Telescopes Highly Reflective, Easy to Clean

Ralph F. Wuerker
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Pre‐Kepler Mathematical Descriptions of the Heavens

Henry E. Heatherly
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Field Gradients in Early MRI

Herman Y. Carr
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Corrections

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Lovely as a Tree Amplitude: Hidden Structures Underlie Feynman Diagrams

Steven K. Blau
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String theory, Fourier‐conjugate spinors, and quantum chromodynamics are linked in ways that suggest new methods to compute probability amplitudes for high‐energy particle interactions.

A Dark‐Horse Entry in the Race for an Excitonic Condensate

Barbara Goss Levi
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Evidence for a superfluid made of electron‐hole pairs comes, surprisingly, from quantum Hall systems.
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Taking Measure With Hardware and Software

Toni Feder
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The researchers who founded National Instruments Corp switched from building their own equipment to beefing up other people's.
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Science Board Warns of Uncertain Future for US Science and Engineering Leadership

Jim Dawson
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The diminishing level of “native talent” entering science and engineering in the US is one of several factors that could significantly limit the country's R&D leadership.
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Particle Tracking Tunes Up Music

Paul Guinnessy
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Iran Invests in Astronomy

Toni Feder
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Feds Set Priorities Based on “Quarks” Report

Jim Dawson
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Alcock Tapped to Lead Center for Astrophysics

Toni Feder
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Neureiter Is Director of AAAS Security Policy Center

Jim Dawson
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News Notes

Paul Guinnessy, Jim Dawson, and Toni Feder
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Web Watch

Charles Day
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An Open Letter to the Next Generation

James D. Patterson
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The Craft of Scientific Presentations: Critical Steps to Succeed and Critical Errors to Avoid

Michael Alley and Chris Quigg, Reviewer
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The Chicago Guide to Communicating Science

Scott L. Montgomery and Chris Quigg, Reviewer
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Science in the Looking Glass: What Do Scientists Really Know?

E. Brian Davies and Roger G. Newton, Reviewer
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Modern Cosmology

Scott Dodelson and George Efstathiou, Reviewer
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The Black Hole at the Center of Our Galaxy

Fulvio Melia and Mark R. Morris, Reviewer
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D‐Branes

Clifford V. Johnson and Juan Maldacena, Reviewer
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Statistical Mechanics Made Simple: A Guide for Students and Researchers

Daniel C. Mattis and Robert H. Swendsen, Reviewer
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New Books

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Focus on Analytical Instruments

Lawrence G. Rubin
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NSF, NSB Bestow Honors

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AGU Announces Prize Winners for 2004

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Seven Receive Franklin Medals

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AAAS Gives Out Awards

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Cohen, Stanley Win Boltzmann Medals

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In Brief

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Henry Abraham Boorse

Laura Kay and Barbara Schmitter
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I. Bernard Cohen

Lorraine Daston and Joan Richards
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Jean‐Loup Delcroix

Abraham Bers, Anne‐Marie Pointu, and Jean Bretagne
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Richard Joseph Elston

Buell T. Jannuzi and Jill Bechtold
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René Pellat

Roger‐Maurice Bonnet, Guy Laval, and Jean‐François Luciani
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Norman Carl Rasmussen

George E. Apostolakis
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Michael Dudley Sturge

Emmanuel Rashba, Horst Stormer, Elisha Cohen, and John Hegarty
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Gerhart von Gierke

Friedrich Wagner
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