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August 2008

Volume 61, Issue 8

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The changing face of Titan

Ralph D. Lorenz
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On Saturn's hazy moon Titan, torrential downpours of methane punctuate centuries of drought on a landscape of sand dunes and badlands.

A tangled tale of topological fluids

Tom McLeish
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Whether a large polymer is linear, simply branched like a star, or multiply branched dramatically affects how it moves through a densely entangled polymer soup.

Geoscience research for our energy future

Donald J. Depaolo and Franklin M. Orr, Jr
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Understanding the complex interactions between pressurized fluids and porous rock is a key prerequisite to the safe sequestration of carbon dioxide and radioactive waste.
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Hanbury Brown's steamroller

Daniel Kleppner
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Solitons, numerical experiments, and that mysterious lady

J. E. Allen, John Knox, and Thierry Dauxois
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Water in trees

Terry Goldman, Jean Roy, N. Michele Holbrook, and Maciej Zwieniecki
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More light on the structure of nuclei

Leonid Frankfurt, Misak Sargsian, Mark Strikman, and David J. Dean
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SERS assertions addressed

Pablo G. Etchegoin, Eric C. Le Ru, Matthias Meyer, and Katrin Kneipp
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Of hurricanes and fooling Mother Nature

Peter E. Black
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LED efficiencies: Apples and oranges

Bill Moran
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Importance of double‐blind reviews

Thomas J. Deal and David S.‐K. Ting
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Entangled light beams from four‐wave mixing carry spatial information

Johanna Miller
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Not only do the beams display correlations in their quantum fluctuations, but so do different parts of them when examined separately.

Very low‐frequency radio waves drain Earth's inner radiation belt of satellite‐killing electrons

Charles Day
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A high‐altitude nuclear explosion would swell the radiation belt and imperil the global positioning system and other satellites. VLF transmissions could forestall the damage.

X‐ray outburst reveals a supernova before it explodes

Bertram Schwarzschild
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Long predicted but never before seen, the x‐ray harbinger let observers record the supernova's early light in unprecedented detail.

Physics Update

Johanna Miller, Jermey N.A. Matthews, and Bertram Schwarzschild
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Will desperate climates call for desperate geoengineering measures?

Barbara Goss Levi
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Earth scientists ponder the wisdom of large‐scale efforts to counter global warming.

Path integrals, Les Houches, and other adventures of Cécile DeWitt‐Morette

Toni Feder
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Entrée to Paris got Cécile DeWitt into physics. Working with great physicists kept her in the field.

Iranian and US scientists keep channels of communication open

David Kramer
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Visiting physicists and engineers are welcomed in Tehran and carry conciliatory messages from Iranian leaders back to the US.
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Low‐drag suit propels swimmers

Jermey N.A. Matthews
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War bill saves Fermilab jobs, boosts science

David Kramer
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Web Watch

Charles Day
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Rhythm and Transforms

William A. Sethares and Thomas D. Rossing, Reviewer
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The Mystery of the Missing Antimatter

Helen R. Quinn, Yossi Nir, and Martin Harwit, Reviewer
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Nuclear Waste Stalemate Political and Scientific Controversies

Robert Vandenbosch, Susanne E. Vandenbosch, and John W. Poston, Sr., Reviewer
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A Passion for Discovery

Peter Freund and Engelbert Schucking, Reviewer
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The Living Cosmos Our Search for Life in the Universe

Chris Impey and Eric Chaisson, Reviewer
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New Books

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Focus on analytical equipment

Lawrence G. Rubin
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Robert Jastrow

Albert Arking
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Acoustic design of music rehearsal rooms

Erica Ryherd
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Modeling swimsuits

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