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July 2005

Volume 58, Issue 7

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Putting Mechanics into Quantum Mechanics

Keith C. Schwab and Michael L. Roukes
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Nanoelectromechanical structures are starting to approach the ultimate quantum mechanical limits for detecting and exciting motion at the nanoscale. Nonclassical states of a mechanical resonator are also on the horizon.
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The Nonequilibrium Thermodynamics of Small Systems

Carlos Bustamante, Jan Liphardt, and Felix Ritort
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The interactions of tiny objects with their environments are dominated by thermal fluctuations. Guided by theory and assisted by new micromanipulation tools, scientists have begun to study such interactions in detail.

Physics and the Real World

George F. R. Ellis
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No current physics experiment or theory explains the nature—or even the existence—of emotions, money, fine art, football games, or people. What can physics say about such things?

A Physics Songbag

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The editors of PHYSICS TODAY take you on a shuffle and a dip into the long tradition of giving a lyrical voice to science. This grab bag of songs concludes with a lyric‐writing contest.
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Physics Update

Phillip G. Schewe
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Whence the Force of F  =  ma? III: Cultural Diversity

Frank Wilczek
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Ethics Concerns Draw Many Questions, Some Answers

Peter Foukal, Frank Melsheimer, Georg Albrecht, Jeffrey Marque, Marshall Thomsen, Joseph O. West, Kate Kirby, Frances Houle, Leonard Finegold, and Caroline Whitbeck
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Albert Einstein to Michele Besso

Albert Einstein
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Book Review on Fire

John G. Lewis, Harold L. Brode, Lynn Eden, and Peter D. Zimmerman
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Constructing a Theory for Scaling and More

Adrian Bejan, Alexandru Morega, Geoffrey B. West, and James H. Brown
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Two‐Dimensional Optical Spectroscopy Identifies Crucial Intermolecular Couplings in Photosynthesis

Charles Day
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Protein‐bound chlorophyll molecules transmit electronic excitation energy with almost no loss. A new optical technique shows how they do it.

Images of Vortices Reveal Superfluidity in a Fermi Gas

Barbara Goss Levi
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The superfluid formed in a low‐density atomic gas is a clean and controllable system for exploring strong interactions among particles.

Single, Physics‐Based Model Accounts for the Mechanical Properties of Diverse Biopolymer Gels

Charles Day
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Despite their variety of composition, stiffness, and strength, the protein‐based filaments that support and connect cells behave in the same, predictable way when strained.
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Politics Shapes Life for Iranian Physicist

Toni Feder
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Free on bail and currently visiting the US, an Iranian physicist wonders if it's safe to go home.

Science Has Wolf as New Advocate on Capitol Hill

Jim Dawson
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After decades of working as a quiet but powerful player in Congress, Representative Frank Wolf has suddenly realized that US leadership in science and technology is threatened, and he plans to do something about it.

Proliferation Is Key Issue in Nuclear Power Resurgence

Jim Dawson
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World Wind Speeds Suggest Plentiful Energy

Toni Feder
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News Notes

Jim Dawson and Toni Feder
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Web Watch

Charles Day
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Math and the Mona Lisa: The Art and Science of Leonardo da Vinci

Bülent Atalay and Alan E. Shapiro, Reviewer
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Zoological Physics: Quantitative Models of Body Design, Actions, and Physical Limitations of Animals

Boye K. Ahlborn and Michael LaBarbera, Reviewer
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A Concise History of Solar and Stellar Physics

Jean‐Louis Tassoul, Monique Tassoul, and Kenneth Phillips, Reviewer
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Structured Fluids: Polymers, Colloids, Surfactants

Thomas A. Witten, Philip A. Pincus, and David Weitz, Reviewer
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An Introduction to Materials Science

Wenceslao González‐Viñas, Héctor L. Mancini, and Christopher L. Cahill, Reviewer
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New Books

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Focus on Analytical Equipment

Lawrence G. Rubin
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Geophysicists Honored by AGU

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Wheeler Elected President of AAS

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NAS Names New Inductees

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In Brief

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Robert Fox Bacher

Robert Christy
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Clayton Hamilton Allen

Robert M. Hoover, Ira Dyer, and David T. Blackstock
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Eugene Murray Allen

Kamil Klier
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Susan Caroline Bayliss

Andrei V. Sapelkin
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Fred Wallace Billmeyer Jr

Calvin S. McCamy
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Leon Blitzer

Laurence C. McIntyre, Jr, John A. Leavitt, and Michael D. Scadron
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Melba Newell Phillips

Joel Lebowitz, Wolfgang Panofsky, and Stuart Rice
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Raja Ramanna

Valangiman Subramanian Ramamurthy
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Dale Edward Sayers

Michael Paesler, Edward Stern, and William Thomlinson
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