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Issues

Letters

Physics Today 64 (7), 8 (2011); https://doi.org/10.1063/PT.3.1140
Physics Today 64 (7), 8–9 (2011); https://doi.org/10.1063/PT.3.1141
Physics Today 64 (7), 9–10 (2011); https://doi.org/10.1063/PT.3.1142
Physics Today 64 (7), 9–10 (2011); https://doi.org/10.1063/PT.3.1180
Physics Today 64 (7), 10 (2011); https://doi.org/10.1063/PT.3.1143
Physics Today 64 (7), 10–11 (2011); https://doi.org/10.1063/PT.3.1144
Physics Today 64 (7), 11–12 (2011); https://doi.org/10.1063/PT.3.1145
Physics Today 64 (7), 12 (2011); https://doi.org/10.1063/PT.3.1146
Physics Today 64 (7), 12 (2011); https://doi.org/10.1063/PT.3.1147
Physics Today 64 (7), 12 (2011); https://doi.org/10.1063/PT.3.1148
Physics Today 64 (7), 12 (2011); https://doi.org/10.1063/PT.3.1149

Search and Discovery

Physics Today 64 (7), 14–16 (2011); https://doi.org/10.1063/PT.3.1150

A conceptually simple experiment confirmed two predictions of general relativity, but not with the hoped-for precision.

Physics Today 64 (7), 16–18 (2011); https://doi.org/10.1063/PT.3.1151

Interactions among identical bosons remove the upper bound on the number of particles in excited states.

Physics Today 64 (7), 18–20 (2011); https://doi.org/10.1063/PT.3.1152

The key, according to new experiments, is to house the walls in a sandwich of platinum, cobalt,and aluminum oxide.

Physics Today 64 (7), 18 (2011); https://doi.org/10.1063/PT.3.1153
Physics Today 64 (7), 18 (2011); https://doi.org/10.1063/PT.3.1154
Physics Today 64 (7), 19 (2011); https://doi.org/10.1063/PT.3.1155
Physics Today 64 (7), 19 (2011); https://doi.org/10.1063/PT.3.1156

Issues and Events

Physics Today 64 (7), 21–23 (2011); https://doi.org/10.1063/PT.3.1157

Enthusiasm is high for collecting solar energy in the Middle East and North Africa, with some to be exported to Europe. But doing so requires overcoming political, social, legal, technical, and financial obstacles.

Physics Today 64 (7), 22 (2011); https://doi.org/10.1063/PT.3.1158
Physics Today 64 (7), 23–25 (2011); https://doi.org/10.1063/PT.3.1159

Two federal agencies are scrutinizing the shale-gas industry and its use of “fracking,” but gas producers insist that state regulators provide sufficient environmental oversight.

Physics Today 64 (7), 25–26 (2011); https://doi.org/10.1063/PT.3.1160

Coordinating fragmented efforts in selected research areas is expected to provide a strong basis for future technological innovation, economic growth, and other benefits for society.

Physics Today 64 (7), 26–27 (2011); https://doi.org/10.1063/PT.3.1161

The mathematical physicist looks to increase the number of PhD scientists in economically challenged countries.

Physics Today 64 (7), 27–29 (2011); https://doi.org/10.1063/PT.3.1162

As national laboratories tout their high-performance computing for energy applications, the path to more powerful computers may be blocked by prohibitive electricity requirements.

Physics Today 64 (7), 29–30 (2011); https://doi.org/10.1063/PT.3.1163
Physics Today 64 (7), 30 (2011); https://doi.org/10.1063/PT.3.1164

Articles

Physics Today 64 (7), 31–37 (2011); https://doi.org/10.1063/PT.3.1165

A former director of Los Alamos National Laboratory offers a first-person perspective on the important contributions scientists can make toward improving the safety and security of nuclear materials and reducing the global nuclear dangers in an evolving world.

Physics Today 64 (7), 40–45 (2011); https://doi.org/10.1063/PT.3.1166

There is as yet no predictive theory of planetary or astrophysical dynamos. But theorists, numerical modelers, and experimenters are on the case.

Physics Today 64 (7), 47–52 (2011); https://doi.org/10.1063/PT.3.1167

Nanoscale probes that convert light into localized energy or vice versa form the basis for diffraction-unlimited imaging and intriguing light–matter interactions.

Books

Physics Today 64 (7), 53 (2011); https://doi.org/10.1063/PT.3.1168
Physics Today 64 (7), 53–54 (2011); https://doi.org/10.1063/PT.3.1169
Physics Today 64 (7), 54–55 (2011); https://doi.org/10.1063/PT.3.1170
Physics Today 64 (7), 55–56 (2011); https://doi.org/10.1063/PT.3.1171
Physics Today 64 (7), 56–57 (2011); https://doi.org/10.1063/PT.3.1172

New Products

Physics Today 64 (7), 58–59 (2011); https://doi.org/10.1063/PT.3.1173

The descriptions of the new products listed in this section are based on information supplied to us by the manufacturers. PHYSICS TODAY can assume no responsibility for their accuracy. For more information about a particular product, vis the website at the end of the product description.

Obituaries

In Special Collection: Print Obituaries
Physics Today 64 (7), 61–62 (2011); https://doi.org/10.1063/PT.3.1174
In Special Collection: Print Obituaries
Physics Today 64 (7), 62–63 (2011); https://doi.org/10.1063/PT.3.1175
In Special Collection: Print Obituaries
Physics Today 64 (7), 63–64 (2011); https://doi.org/10.1063/PT.3.1176
In Special Collection: Print Obituaries
Physics Today 64 (7), 64 (2011); https://doi.org/10.1063/PT.3.1177

Quick Study

Physics Today 64 (7), 66–67 (2011); https://doi.org/10.1063/PT.3.1178

When you flip a coin to decide an issue, you assume that the coin will not land on its side and, perhaps less consciously, that the coin is flipped end over end. What happens if those assumptions are relaxed?

Back Scatter

Physics Today 64 (7), 76 (2011); https://doi.org/10.1063/PT.3.1179
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