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October 2012

Volume 65, Issue 10

cover: This issue of Physics Today takes two different looks at science and elections. In the Quick Study on page 74, Santo Fortunato and Claudio Castellano apply some methods of statistical mechanics to so-called proportional elections in a number of countries and uncover some surprisingly universal results. With the US presidential election looming, David Kramer, on page 22, reports on the candidates' views and records related to science. (Cover design by Donna Padian.)

Issue Cover
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Superfluid helium interferometers

Yuki Sato and Richard Packard
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Emerging devices for measuring quantum phase offer a possible new window into phenomena far outside condensed-matter physics.

Alexander Friedmann and the origins of modern cosmology

Ari Belenkiy
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Friedmann, who died young in 1925, deserves to be called the father of Big Bang cosmology. But his seminal contributions have been widely misrepresented and undervalued.

The birth and death of star clusters in the Milky Way

Steven W. Stahler
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Simple though admittedly speculative considerations explain why most of our galaxy’s stellar nurseries are highly fragile but a few survive for a remarkably long time.
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back to top Marietta Blau in the history of cosmic rays
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Marietta Blau in the history of cosmic rays

Ruth Lewin Sime
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Marietta Blau in the history of cosmic rays

Per Carlson
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back to top Early telephone credit claims
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Early telephone credit claims

Roberto Molteni
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Early telephone credit claims

Patrick Boucher
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back to top Questioning mantle plumes
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Questioning mantle plumes

Don L. Anderson
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back to top Low-energy tools underlie high-energy physics
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Low-energy tools underlie high-energy physics

John F. Waymouth
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back to top Reading to the end of the last glacial epoch
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Reading to the end of the last glacial epoch

John Harte
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back to top Answers: In memory of Niels Bohr
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Answers: In memory of Niels Bohr

Naomi Pasachoff
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The Sun’s oblateness appears to be constant

Bertram M. Schwarzschild
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A precision measurement finds its equatorial bulge somewhat smaller than expected and seemingly unaffected by the solar cycle.

Flow geometry controls viscous fingering

R. Mark Wilson
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A gradient in channel depth can suppress the instability that occurs when a less viscous fluid invades a more viscous one.

Exotic chimera dynamics glimpsed in experiments

Ashley G. Smart
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In such a state, synchrony and asynchrony coexist among coupled oscillators.

A mysterious player on the atmospheric stage

Johanna L. Miller
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The unidentified molecule’s reaction with sulfur dioxide has implications for climate and human health.
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Hearing chemical compounds in real time

Richard J. Fitzgerald
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Earth’s natural quasicrystals came from outer space

Steven K. Blau
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Less trade, quieter seas

Charles Day
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Cloud simulations improving in climate models

Stephen G. Benka
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Obama, Romney agree on support for basic research, but little else

David Kramer
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The GOP challenger would halt federal funding for technology commercialization. Both candidates have given short shrift to climate change.

Robots headed out to sea

David Kramer
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South Korea invests big in basic research

Toni Feder
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Internationalizing the science community, encouraging creativity, and becoming a world research leader are the aims of an initiative in a country better known for its industry than for its science.

Ignition effort may be slowed as Livermore facility misses milestone

David Kramer
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Physics graduates at work

Toni Feder
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Turing’s Cathedral: The Origins of the Digital Universe

Francis Sullivan, Reviewer
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Fundamentals of Nonlinear Optics

Aristides Marcano, Reviewer
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Radioactivity: A History of a Mysterious Science

Ellen Bales, Reviewer
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Marketing for Scientists: How to Shine in Tough Times

Lynnette D. Madsen, Reviewer
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New books

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Focus on vacuum and cryogenics

Andreas Mandelis
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Albert Warner Overhauser

Gabriele F. Giuliani and Samuel A. Werner
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Frank Sherwood Rowland

Stephen O. Andersen and Marco Gonzalez
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Sallie Ann Watkins

Mary Kay Hemenway and Dwight E. Neuenschwander
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Physics peeks into the ballot box

Santo Fortunato and Claudio Castellano
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In different countries and over time, electoral features such as statistics of candidates’ performance and turnout rates show universal behaviors. Are voters as predictable as atoms?
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A neural window into the cochlea

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