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July 2009

Volume 62, Issue 7

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Industrial R&D in transition

R. Joseph Anderson and Orville R. Butler
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An American Institute of Physics study completed in 2008 documents the ways in which the corporate physicist's work has changed in the past 40 years. Here are its major findings.

Population genetics and range expansions

Oskar Hallatschek and David R. Nelson


See Also: Erratum

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On a molecular level and at the frontiers of expanding habitats, large stochastic fluctuations can obscure signals of Darwinian evolution.

The dichotomous history of diffusion

T. N. Narasimhan
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Nearly a century after the equations of physical diffusion and stochastic diffusion were formulated, Albert Einstein united the observable and the abstract to establish a molecular‐kinetic theory of heat.
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What is science?

Helen Quinn
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On Schwinger and QED

Kimball A. Milton and Y. Jack Ng
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Fired Tsukuba professor's defense

Teruji Cho, Herbert L. Berk, Nathaniel J. Fisch, Masafumi Akahira, and Hiroshi Mizubayashi
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Reviewer dislikes Hoax, perhaps intensely

Alan Sokal and Peter Saulson
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Step away from the computer

John Fang
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LHC: Not quite free

Kay R. Shultz
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Opinions with a side of science

David E. Fisher
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Clarifications on exoplanets

Jonathan Lunine
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Superconducting qubit systems come of age

Barbara Goss Levi
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The precision control demonstrated in two recent experiments makes those systems serious contenders in the long race for a quantum computer.

Superconducting device helps probe glasslike dynamics in solid helium

Johanna Miller
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Accurate measurements over a wide range of conditions may unravel some of the mysteries of the apparently flowing solid.

Analysis reveals when evolution favors one mode of gene regulation over another

Charles Day
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Bacteria use two basic modes for controlling the expression of a gene. Which mode prevails depends on how conditions vary and on the statistical mechanics of genetic mutation.

Subarctic seawater flows south in an unexpectedly wide, messy pattern

Charles Day
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Physics Update

Stephen Benka, Richard Fitzgerald, Steve Blau, Jermey N. A. Matthews, and Bertram Schwarzschild
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Need for clean energy, waste transmutation revives interest in hybrid fusion–fission reactors

Toni Feder
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Sweet solution or pie in the sky? Hybrids get new attention.

Lunar spaceflight history on the block

Toni Feder
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Votano named director of underground lab

Toni Feder
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Kirby to become executive officer of APS

Paul Guinnessy
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News Notes

Toni Feder
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Web Watch

Charles Day
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Special report: Obama proposes big increases for energy, climate change, and basic research

David Kramer
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The president's first budget, and a supplement from the American Recovery and Reinvestment Act, would put federal support for basic physical sciences research back on schedule for a 10‐year doubling by 2016.
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ACA gathers in Toronto

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Secrets of the Hoary Deep: A Personal History of Modern Astronomy

Riccardo Giacconi and Bruce Hevly, Reviewer
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Introduction to Modern Physics: Theoretical Foundations

John Dirk Walecka and José Wudka, Reviewer
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The Crime of Reason and the Closing of the Scientific Mind

Robert B. Laughlin and Edward Gerjuoy, Reviewer
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Complex and Adaptive Dynamical Systems: A Primer

Claudius Gros and David P. Feldman, Reviewer
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New Books

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Focus on software

Lawrence G. Rubin
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Laszlo Tisza

Jerome Friedman, Thomas J. Greytak, and Daniel Kleppner
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Yoji Totsuka

Takaaki Kajita
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Janus particles

Steve Granick, Shan Jiang, and Qian Chen
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Atlantis in transit

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