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Issues

Physics Update

Physics Today 51 (2), 9 (1998); https://doi.org/10.1063/1.2802909

Letters

Physics Today 51 (2), 11–13 (1998); https://doi.org/10.1063/1.882200
Physics Today 51 (2), 13–15 (1998); https://doi.org/10.1063/1.2802911
Physics Today 51 (2), 15 (1998); https://doi.org/10.1063/1.882203
Physics Today 51 (2), 15–97 (1998); https://doi.org/10.1063/1.882204
Physics Today 51 (2), 97 (1998); https://doi.org/10.1063/1.882159
Physics Today 51 (2), 97–98 (1998); https://doi.org/10.1063/1.882160
Physics Today 51 (2), 98 (1998); https://doi.org/10.1063/1.882161
Physics Today 51 (2), 98 (1998); https://doi.org/10.1063/1.882162

Search and Discovery

Physics Today 51 (2), 17–18 (1998); https://doi.org/10.1063/1.882208

Quantum electrodynamics predicts that photons scattering off nothing but light should create electron‐positron pairs. But only now has this inelastic light‐light scattering been seen in the laboratory.

Physics Today 51 (2), 18–21 (1998); https://doi.org/10.1063/1.882136

Two experiments, using different optical schemes, have transmitted quantum states across a tabletop by means of classical messages and Einstein—Podolsky—Rosen entanglement. Applications will include new tests of the fundamentals of quantum mechanics and quantum computation.

Physics Today 51 (2), 21–23 (1998); https://doi.org/10.1063/1.882137

By cooling mercury ions and confining the ions to the one line in their linear ion trap where the RF field is exactly zero, researchers have minimized the jiggling and heating that have confounded many attempts to achieve precise determinations of frequency.

Physics Today 51 (2), 22 (1998); https://doi.org/10.1063/1.2802917
Physics Today 51 (2), 23–24 (1998); https://doi.org/10.1063/1.882138

Researchers in acoustics have long wondered whether sound waves could replace mechanical components in devices such as compressors, combustion engines and pumps; now a team of researchers in Virginia has answered—with a very loud, YES!

Articles

Physics Today 51 (2), 26–32 (1998); https://doi.org/10.1063/1.882139

Nucleosynthesis sites, Galactic black holes, gamma‐ray bursters, blazars—all yield up secrets and surprises when observed with the latest gamma‐ray detectors.

Physics Today 51 (2), 34–40 (1998); https://doi.org/10.1063/1.882140

After President Truman rejected Vannevar Bush's proposal for a practical transition from wartime research to peacetime science, the President turned to a trusted aide to design science policy as we now know it.

Physics Today 51 (2), 42–46 (1998); https://doi.org/10.1063/1.882141

The separation of science from society is today seen as artificial and unsustainable. The scientific community needs to negotiate a new contract with the society that funds it.

Meetings

Physics Today 51 (2), 49–52 (1998); https://doi.org/10.1063/1.882232

Washington Reports

Physics Today 51 (2), 55–56 (1998); https://doi.org/10.1063/1.882142
Physics Today 51 (2), 56 (1998); https://doi.org/10.1063/1.2802924
Physics Today 51 (2), 57 (1998); https://doi.org/10.1063/1.2802925

Physics Community

Physics Today 51 (2), 61–62 (1998); https://doi.org/10.1063/1.882143
Physics Today 51 (2), 63 (1998); https://doi.org/10.1063/1.2802928
Physics Today 51 (2), 63 (1998); https://doi.org/10.1063/1.882144
Physics Today 51 (2), 64 (1998); https://doi.org/10.1063/1.882145
Physics Today 51 (2), 65 (1998); https://doi.org/10.1063/1.2802932
Physics Today 51 (2), 65 (1998); https://doi.org/10.1063/1.882146
Physics Today 51 (2), 65–66 (1998); https://doi.org/10.1063/1.882147
Physics Today 51 (2), 66 (1998); https://doi.org/10.1063/1.2802933
Physics Today 51 (2), 66 (1998); https://doi.org/10.1063/1.2802934

Books

Physics Today 51 (2), 69 (1998); https://doi.org/10.1063/1.882148
Physics Today 51 (2), 69–70 (1998); https://doi.org/10.1063/1.882149
Physics Today 51 (2), 70–72 (1998); https://doi.org/10.1063/1.882150
Physics Today 51 (2), 72 (1998); https://doi.org/10.1063/1.882151
Physics Today 51 (2), 73–74 (1998); https://doi.org/10.1063/1.882152
Physics Today 51 (2), 74 (1998); https://doi.org/10.1063/1.882153
Physics Today 51 (2), 74–75 (1998); https://doi.org/10.1063/1.882154
Physics Today 51 (2), 75–76 (1998); https://doi.org/10.1063/1.882155
Physics Today 51 (2), 76–81 (1998); https://doi.org/10.1063/1.2802943

New Products

Physics Today 51 (2), 83–85 (1998); https://doi.org/10.1063/1.2802944

We Hear That

Physics Today 51 (2), 93 (1998); https://doi.org/10.1063/1.2802945
Physics Today 51 (2), 93 (1998); https://doi.org/10.1063/1.2802946

Obituaries

Physics Today 51 (2), 94 (1998); https://doi.org/10.1063/1.882156
Physics Today 51 (2), 94–95 (1998); https://doi.org/10.1063/1.882157
Physics Today 51 (2), 95–96 (1998); https://doi.org/10.1063/1.882158
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