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March 2008

Volume 61, Issue 3

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Magnetoreception in animals

Sönke Johnsen and Kenneth J. Lohmann
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Determining how animals orient themselves using Earth's magnetic field can be even more difficult than finding a needle in a haystack. It is like finding a needle in a stack of needles.

Little cup of helium, big science

Dirk van Delft
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One hundred years ago, Heike Kamerlingh Onnes first liquefied helium in a cryogenic laboratory whose excellence and scale were unparalleled. Creating, staffing, and running the Leiden laboratory required more than just scientific skill.

Alternatives to cosmological inflation

Robert Brandenberger
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Inflationary cosmology is elegant and can claim significant predictive successes. But its attendant difficulties have motivated competing scenarios that also agree with observation.
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Two bits on qubits

Dave Bacon and David Mermin
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Cool Shades for Hurricanes?

Michael R. Binkley and Kerry Emanuel
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Difficult Deterrence Decisions

Lewis A. Glenn and Sidney Drell
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Encouraging Young PhDs to Jump Boundaries

Martin C. Gutzwiller
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Dark‐field imaging is demonstrated with a conventional hard‐x‐ray source

Bertram Schwarzschild
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Until now x‐ray images with the revealing contrast afforded by dark‐field techniques could only be gotten at synchrotron light sources.

Elementary excitations in spin ice take the form of magnetic monopoles

Mark Wilson
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A magnet has two poles–north and south. But in a frustrated magnetic state known as spin ice, the familiar magnetic dipole can split into two magnetic charges that independently diffuse around the crystal.

Antarctic radar survey reveals a subglacial volcanic eruption

Johanna Miller
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physics update

Phillip F. Schewe, Stephen G. Benka, and Steven K. Blau
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Moore looks beyond the law

Jermey N. A. Matthews
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Intel cofounder, author of Moore's law, and self‐titled “accidental entrepreneur” is a benefactor of the Thirty Meter Telescope and other scientific research and education efforts.
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Sea Perch is a fun, hands‐on approach to teaching science

David Kramer
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Children at K‐12 levels learn physics and engineering by assembling their own working underwater vehicles.

DOE aid to Russian weapons scientists said to abet Iran

David Kramer
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Hopes dim for DOE science budget reprieve

David Kramer
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Deemed export controls expected to be eased

David Kramer
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web watch

Charles Day
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Canada abolishes science adviser post

Toni Feder
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news notes

Jermey N. A. Matthews
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Is climate sensitive to solar variability?

Nicola Scafetta and Bruce J. West
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Faust in Copenhagen: A Struggle for the Soul of Physics and The Mental Aftermath: The Mentality of German Physicists, 1945–1949

Gino Segrè, Klaus Hentschel, and Mark Walker, Reviewer
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Quantum Computer Science: An Introduction and Quantum Information: An Overview

N. David Mermin, Gregg Jaeger, and Barbara Terhal, Reviewer
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Experiments and Demonstrations in Physics: Bar‐Ilan Physics Laboratory

Yaakov Kraftmakher and Julien C. Sprott, Reviewer
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Chemical Sensors: An Introduction for Scientists and Engineers

Peter Gründler and Jiri Janata, Reviewer
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Physics of the Human Body

Irving P. Herman and Suzanne Amador Kane, Reviewer
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new books

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Focus on test and measurement

Lawrence G. Rubin
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Donald Maurice Ginsberg

Nigel Goldenfeld, Laura Greene, Miles Klein, Dale Van Harlingen, and Thomas Lemberger
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James Ricker Wilson

Grant J. Mathews, Karl Van Bibber, and Michael May
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LED luminaires—a whole new light

Kevin Dowling
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Mercury in color

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