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March 2000

Volume 53, Issue 3

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Nonequilibrium Patterns in Granular Mixing and Segregation

Troy Shinbrot and Fernando J. Muzzio


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Granular flows that mix different species exhibit a surprisingly diverse repertoire of striking and beautiful behaviors. Better understanding of the mixing process should help in predicting whether a given flow will mix—or segregate—its constituents.
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Atmospheric Infrasound

Alfred J. Bedard, Jr and Thomas M. Georges
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The search for ways to monitor compliance with the Comprehensive Test Ban Treaty has sparked renewed interest in sounds with frequencies too low for humans to hear.
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Liquid Crystals and Carbon Materials

Robert H. Hurt and Zhong‐Ying Chen
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The macroscopic properties of carbon materials are determined by their structure at the nanometer length scale, and there is great potential to tailor their structure during the liquid‐crystal phase of the synthesizing process.
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Physics Update

Stephen G. Benka, Philip F. Schewe, and Benjamin P. Stein
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What's Wrong with This Elegance?

N. David Mermin
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Mass Matters: The Rest Mass Issue, QCD, and the Pursuit of Dreams

Friedwardt Winterberg, Antonio Ruiz de Elvira, and Frank Wilczek
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Science, not Politics, Should Set Science Curriculum in Toto

Vit Klemeš
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PT Fails to Measure Up to SI Standards (but Only by Inches)

Jennifer Decker
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Info Recurs, Going Back to Zermelo, Loschmidt Paradoxes

Remko Uijlenhoet
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Gravitational Waves Really Are Shifty

Asher Klatchko, Barry Barish, and Rainer Weiss
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Learning about High‐Tc Superconductors from Their Imperfections

Barbara Goss Levi
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Researchers in Berkeley and Tokyo have demonstrated the great potential of a scanning tunneling microscope for studying the behavior of superconductors on an atomic scale.
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Experiments Reveal How Heat Is Mixed into Cold Dense Water in the Abyssal Ocean

Charles Day
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By tracing the diffusion of a dye, researchers have found suggestive evidence that the moon promotes the flow of heat in the deep ocean.
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A Photon‐Activated Switch Detects Single Far‐Infrared Photons

Richard Fitzgerald,
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The absorption of a single photon can turn the current through a quantum dot on or off.
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Survey Halves Estimated Population of Big Near‐Earth Asteroids

Bertram Schwarzschild
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NASA's goal is to determine, as soon as possible, the orbits of all asteroids near enough and big enough to threaten cataclysmic damage.
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Quantum Theory Needs No ‘Interpretation’

Christopher A. Fuchs and Asher Peres
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The Principia: Mathematical Principles of Natural Philosophy

Isaac Newton and Alan E. Shapiro, Reviewer
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Cosmology and Particle Astrophysics

Lars Bergström, Ariel Goobar, and Andreas J. Albrecht, Reviewer
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Howard Aiken: Portrait of a Computer Pioneer

I. Bernard Cohen and Alfred E. Brenner, Reviewer
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Makin' Numbers: Howard Aiken and the Computer

I. Bernard Cohen, Gregory W. Welch, and Alfred E. Brenner, Reviewer
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Computational Physics

J. M. Thijssen and Alan F. Wright, Reviewer
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Statistical Methods in Quantum Optics 1: Master Equations and Fokker‐Planck Equations

Howard J. Carmichael and Marlan O. Scully, Reviewer
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Focus on Test and Measurement

Lawrence G. Rubin
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Pioneering Neutrino Astronomers to Share 2000 Wolf Prize in Physics

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Franklin Institute to Present Awards

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APS to Bestow Honors at California Meeting

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AGU Medals Awarded at Fall Meeting

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Five Engineering Excellence Awards Given by OSA

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In Brief

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John Wainwright Evans Jr

Richard B. Dunn, Raymond N. Smartt, and Jack B. Zirker
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Kenneth Alan Johnson

Daniel Z. Freedman, Robert L. Jaffe, Francis E. Low, and Marshall Baker
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Jose Roberto Manzano

Olga Pintado
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Washington Briefings

Irwin Goodwin
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Remaining ITER Partners Settle on an Outline Design for a Downsized Fusion Reactor

Toni Feder
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Nick Hitchon Is Better Known for Being in the “Up” Movies than for His Physics

Toni Feder
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Recovery Continues in Physics Job Market

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In Brief

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Bachelor's Degree Production Holds Steady in Physics

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Web Watch

Charles Day
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