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November 2012

Volume 65, Issue 11

cover: In this atomic force microscopy (AFM) image of hexabenzocoronene, all is not as it seems. The small hexagons’ constituent carbon–carbon bonds, known from x-ray diffraction measurements to be nearly equal in length, are visibly distorted. From those length discrepancies—and from differences in the bonds’ apparent brightness—fractional differences in bond order can be distinguished in a single molecule. For more on AFM and bond-order discrimination, turn to the news story on page 14. (Image courtesy of Leo Gross, IBM Research, Zürich.)

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Select this Article		Manipulating the color and shape of single photons Michael G. Raymer and Kartik Srinivasan


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	+ -	Show Topic In a future quantum internet, individual photons might well be the agents that carry information between different kinds of devices. But physicists must first learn to tailor some of their essential features.

Select this Article FREE		Exploring the extreme universe with the Fermi Gamma-Ray Space Telescope David J. Thompson, Seth W. Digel, and Judith L. Racusin


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	+ -	Show Topic The Fermi orbiter, mapping the entire gamma-ray sky every three hours, monitors the cosmos for high-energy phenomena both fleeting and enduring.

Select this Article FREE		Oliver Heaviside: A first-rate oddity Bruce J. Hunt


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	+ -	Show Topic Prickly, reclusive, and unemployed for most of his career, Heaviside nonetheless strongly influenced the evolution of 19th century electromagnetics.

Readers' Forum

Global positioning: The early Finnish connection

Select this Article FREE		Global positioning: The early Finnish connection Juhani Kakkuri and Lasse Kivioja


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Further Coriolis correlation considerations

Select this Article FREE		Further Coriolis correlation considerations Manuel López-Mariscal


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Select this Article FREE		Further Coriolis correlation considerations Christopher M. Graney


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Archaeology terminology confusion

Select this Article FREE		Archaeology terminology confusion James K. Holley


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Randomness of the tossed coin

Select this Article FREE		Randomness of the tossed coin Tomasz Kapitaniak


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Fusion could fuel particle physicists’ future

Select this Article FREE		Fusion could fuel particle physicists’ future Rob Johnson


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Did Lomonosov see the Venusian atmosphere?

Select this Article FREE		Did Lomonosov see the Venusian atmosphere? Jay M. Pasachoff and William Sheehan


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Select this Article FREE		Did Lomonosov see the Venusian atmosphere? Vladimir Shiltsev


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Let’s not call it the ’God particle’

Select this Article FREE		Let’s not call it the ‘God particle’ Murray Peshkin


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Correction

Select this Article FREE		Correction


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Search and Discovery

Select this Article		Atomic force microscopy probes fractional differences in chemical bond order Johanna L. Miller


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	+ -	Show Topic High-resolution images can map out subtle variations in a molecule’s electronic and geometric structure.

Select this Article		Time-reversal asymmetry in particle physics has finally been clearly seen Bertram M. Schwarzschild


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	+ -	Show Topic Bedrock theory has insisted since 1964 that the weak interactions should look slightly different when the movie is run backwards.

Select this Article		A new 3D microscopy tool in the geologist’s kit Ashley G. Smart


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	+ -	Show Topic Coherent Raman scattering can be exploited to image a rock’s interior with molecular contrast.

Physics Update

Select this Article		A single-atom qubit in silicon R. Mark Wilson


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Select this Article		Interacting solitary waves Richard J. Fitzgerald


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Select this Article		Different photons in, indistinguishable photons out Steven K. Blau


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Select this Article		Filter-free separation of particles by shape Charles Day


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Select this Article		A transparent microactuator from a single piece of glass Stephen G. Benka


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Issues and Events

Select this Article FREE		Europe moves closer to open-access publishing Paul K. Guinnessy


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	+ -	Show Topic More than 20% of physical sciences journals offer a form of open access. New rules in Europe may increase that number.

Select this Article		As its renaissance recedes, US nuclear industry looks abroad David Kramer


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	+ -	Show Topic With nuclear energy’s economic picture souring, advocates say the US government has a responsibility to ensure the industry’s ongoing viability.

Select this Article		US nuclear physics facilities on the chopping block Toni Feder


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	+ -	Show Topic The country stands to lose leadership in at least some areas of the field as funding agencies decide where the axe will fall.

Select this Article		First seeded free electron laser shines for users Toni Feder


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Select this Article FREE		Nanopore DNA sequencing inches closer to commercial debut Jermey N. A. Matthews


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	+ -	Show Topic Developers of a promising single-molecule detection technique hope to accomplish in hours what took the Human Genome Project several years.

Books

Select this Article FREE		Planetary Surface Processes J. Taylor Perron, Reviewer


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Select this Article FREE		Scale Invariance: From Phase Transitions to Turbulence John R. Saylor, Reviewer


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Select this Article FREE		Field Theory of Non-Equilibrium Systems Vojkan Jaksic, Reviewer


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Select this Article FREE		Introduction to Modern Climate Change Donald J. Wuebbles, Reviewer


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Select this Article FREE		New books


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New Products

Select this Article FREE		Focus on materials Andreas Mandelis


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Obituaries

Select this Article FREE		Alfred Charles Bernard Lovell Ian Morison


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Quick Study

Select this Article FREE		What separates a liquid from a gas? Vadim V. Brazhkin and Kostya Trachenko


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	+ -	Show Topic Standard ways to distinguish between the two phases don’t apply at high pressure and high temperature. But a look at a medium’s microscopic behavior makes it possible to discriminate between liquid and gas everywhere on a phase diagram.