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January 2012

Volume 65, Issue 1

cover: Nuclear physics has provided several techniques for determining the admixture of trace elements in an artwork or artifact. The Quick Study beginning on page 58 highlights two of those techniques: proton-induced x-ray emission and accelerator mass spectrometry. In this image, a PIXE beamline at the University of Notre Dame is aimed at an icon depicting Christ. By using PIXE, scientists there hope to learn more about the tools, pigments, and techniques used to create the artwork.

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Articles

Select this Article FREE		Recent developments in US patent law Patrick M. Boucher

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	+ -	Show Topic Legislation making the US the last country to abandon the first-to-invent patent system should have a significant effect on the way scientists approach patenting.

Select this Article		Quantum numbers, Chern classes, and a bodhisattva Chen Ning Yang


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	+ -	Show Topic A physics Nobel laureate reflects on how he came to understand the significance of a youthful lunchtime encounter with a famous mathematician.

Select this Article		Slow slip: A new kind of earthquake John E. Vidale and Heidi Houston


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	+ -	Show Topic Sandwiched between the shallow region of sudden, infrequent earthquakes and the deeper home to continuous viscous motion lies an intermediate realm of intermittent sliding and rumbling. Discovered in recent years, it still harbors many secrets.

Readers' Forum

Tides, moonlight, machines, and D-Day

Select this Article FREE		Tides, moonlight, machines, and D-Day Donald W. Olson and Russell L. Doescher

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Select this Article FREE		Tides, moonlight, machines, and D-Day Peter Zimmerman

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Select this Article FREE		Tides, moonlight, machines, and D-Day Bruce Parker

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Correcting the Coriolis correlation

Select this Article FREE		Correcting the Coriolis correlation Rashid A. Akmaev

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Select this Article FREE		Correcting the Coriolis correlation Jim Clarage

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Einstein, too, miscredited Hubble’s “discovery”

Select this Article FREE		Einstein, too, miscredited Hubble’s “discovery” Ronald J. Reynolds

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A resource for laboratory safety

Select this Article FREE		A resource for laboratory safety Mark Nornberg

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Czech sculptor deserves credit

Select this Article FREE		Czech sculptor deserves credit Mary Dryburgh

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Search and Discovery

Select this Article		Silicon carbide defects hold promise for device-friendly qubits Ashley G. Smart


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	+ -	Show Topic Commercial-grade wafers of the popular semiconductor harbor spin states that can be coherently manipulated at room temperature.

Select this Article		A first glimpse of possibly primordial intergalactic gas Bertram M. Schwarzschild


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	+ -	Show Topic Before the first stars, there were presumably no nuclei heavier than lithium. But pristine gas without a trace of stellar contamination has been elusive.

Select this Article		Building ultralight lattices R. Mark Wilson


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Physics Update

Select this Article		Molding many-faced particles Johanna L. Miller


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Select this Article		Wrinkled roaches and flapping flags Jermey N. A. Matthews


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Select this Article		Measuring morphological change Steven K. Blau


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Select this Article		Silicon meets the butterfly wing Stephen G. Benka


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Select this Article		A marriage of microscopy and image compression Steven K. Blau


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Select this Article		Monitoring surface diffusion, one molecule at a time R. Mark Wilson


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Issues and Events

Select this Article		Chief scientist Ellen Williams seeks to bring new energy to BP Jermey N. A. Matthews


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	+ -	Show Topic After spending three decades in academia conducting nanotechnology research, the chemist-turned-physicist is now tackling the energy problem in the faster-paced industrial environment.

Select this Article		A missing variable in the clean energy equation David Kramer


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Select this Article		Chile aims to better exploit role as telescope host Toni Feder


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	+ -	Show Topic The country’s scientists and engineers are starting to take part in the design and construction of telescopes, a trend that could boost other industries and the economy.

Select this Article		NSF invites “CREATIV” research proposals David Kramer


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Select this Article		Science fellows find policy ‟a perfect fit” Jermey N. A. Matthews


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Books

Select this Article FREE		More and Different: Notes from a Thoughtful Curmudgeon N. David Mermin, Reviewer

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Select this Article FREE		The Physics of Foraging: An Introduction to Random Searches and Biological Encounters Nicholas Watkins, Reviewer

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Select this Article FREE		The Shaping of Life: The Generation of Biological Pattern Joshua Milstein, Reviewer

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Select this Article FREE		An Introduction to Star Formation; Principles of Star Formation Steven Stahler, Reviewer

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Select this Article FREE		New books

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New Products

Select this Article FREE		New products


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	+ -	Show Topic Focus on photonics and biomedical optics

Obituaries

Select this Article FREE		Robert Arthur Helliwell Donald Carpenter and Umran Inan

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Select this Article FREE		Simon van der Meer Fritz Caspers and Dieter Mohl

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Quick Study

Select this Article FREE		Accelerated ion beams for art forensics Philippe Collon and Michael Wiescher


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	+ -	Show Topic The worlds of art and archaeology have adapted techniques developed in nuclear physics laboratories to learn where and when an artwork or artifact was created.