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September 2007

Volume 60, Issue 9

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ARTICLES

Select this Article		Echolocation in Dolphins and Bats Whitlow W. L. Au and James A. Simmons


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	+ -	Show Topic Stately dolphins and flittering bats both use biosonar for navigating and for catching prey. The details of their echolocation systems, though, have evolved to reflect their different physiologies and environments.

Select this Article		Phase‐Transition Dynamics in the Lab and the Universe Tom Kibble


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	+ -	Show Topic Topological defects, such as vortices and flux tubes, that arise during phase transitions in condensedmatter systems can serve as models for a far more elusive defect—cosmic strings formed in the early universe.

Select this Article		The Diverse World of Liquid Crystals Peter Palffy‐Muhoray


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	+ -	Show Topic Orientationally ordered soft matter is exceptionally responsive to a variety of excitations. That's the basis for its great range of applications.

REFERENCE FRAME

Select this Article		A Two‐Way Galaxy Vera Rubin


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LETTERS

Select this Article FREE		Cleanup, Not Cover‐Up, at Rocky Flats William R. Alschuler, Anne Fenerty, David L. Clark, David R. Janecky, and Leonard Lane


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Select this Article FREE		Weighing the Need to Accommodate Women in Physics Eaton E. Lattman, Kelly Chipps, and Tevian Dray


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Select this Article FREE		Nuclear Power Challenges and Alternatives William Morse, Wallace Manheimer, Richard Wilson, Gerry Wolff, Alan Robock, and Walter Scheider


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Select this Article FREE		Unwired Energy Questions Asked, Answered Peter Traneus Anderson, Herzel Laor, Aristeidis Karalis, Andre Kurs, John Joannopoulos, and Marin Soljačić


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SEARCH AND DISCOVERY

Select this Article		Pulsed Tunneling Maps Out an Electron System's Density of States Charles Day


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	+ -	Show Topic Landau levels, spin splitting, and other features of a quantum Hall system come sharply into view when electrons tunnel through a tiny capacitor.

Select this Article		Stromboli Volcano's Explosions Have Deep Origins Johanna Miller


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	+ -	Show Topic Real‐time spectroscopic measurements of emitted gases probe activity far beneath the surface.

Select this Article		Different Methods Combine to Solve the Superstructure of a Key Cancer‐Fighting Protein Charles Day


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Select this Article		Sonar Mapping Suggests that the English Channel was Created by Two Megafloods Bertram Schwarzschild


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	+ -	Show Topic Until about 450 thousand years ago, Britain and France were connected by a land bridge, even at times of high sea level.

Select this Article		Physics Update Benjamin P. Stein, Stephen G. Benka, and Mark Wilson


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ISSUES AND EVENTS

Select this Article FREE		A Physicist Proselytizes About Countering Global Warming Toni Feder


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	+ -	Show Topic Moving to Mars is not the solution to global warming, says John Houghton. Rather, through lectures on such impacts as sea‐level rise, droughts, and floods, he hopes to mobilize Christians to reduce human‐induced climate change on Earth.

Select this Article FREE		Multiple Problems Push LHC Start to Next Spring Paul Guinnessy


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	+ -	Show Topic CERN engineers are relieved to have more time to finish constructing the LHC.

Select this Article		Big Boost in Science Funding Authorized by Congress Jim Dawson


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	+ -	Show Topic Congress authorized billions of dollars more for science than the president requested. But authorizing is not the same as appropriating, and skeptics are saying “show me the money.”

Select this Article		Grants to Women Come Up Short in Pilot Study Toni Feder


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Select this Article		Physics Competitions Held in Iran, South Korea Toni Feder


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Select this Article		DOE Fines LANL Managers Jim Dawson


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Select this Article		News Notes Toni Feder


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Select this Article		Web Watch Charles Day


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MEETINGS

Select this Article		Annual AVS Symposium Convenes in Seattle


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BOOKS

Select this Article		Descartes: The Life and Times of a Genius A. C. Grayling and Roger Hahn, Reviewer


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Select this Article		Chaos and Complexity in Astrophysics Oded Regev and Mario Livio, Reviewer


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Select this Article		Productive Learning: Science, Art, and Einstein's Relativity in Educational Reform Stanisław D. Głazek, Seymour B. Sarason, and Diane Grayson, Reviewer


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Select this Article		Single Molecule Chemistry and Physics: An Introduction C. Wang, C. Bai, and Anne Myers Kelley, Reviewer


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Select this Article		Quantum Optics: An Introduction Mark Fox and Juha Javanainen, Reviewer


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Select this Article FREE		New Books


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NEW PRODUCTS

Select this Article FREE		Focus on Software Lawrence G. Rubin


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WE HEAR THAT

Select this Article		Dark‐Energy Discoverers Share Cosmology Prize


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Select this Article		National Medals of Technology, Science Awarded


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Select this Article		AVS to Present Awards


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Select this Article		In Brief


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OBITUARIES

Select this Article FREE		James Hillier Sterling Newberry


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Select this Article FREE		Gilbert Jerome Perlow John Schiffer and Charles Johnson


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QUICK STUDY

Select this Article		Eyes on the LHC Fabiola Gianotti and Chris Quigg


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BACK SCATTER

Select this Article		Desiccation Cracks


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Volume 60, Issue 9

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