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Readers’ Forum

Physics Today 68 (11), 8–9 (2015); https://doi.org/10.1063/PT.3.2959
Physics Today 68 (11), 10 (2015); https://doi.org/10.1063/PT.3.2960
Physics Today 68 (11), 10 (2015); https://doi.org/10.1063/PT.3.2961
Physics Today 68 (11), 10–11 (2015); https://doi.org/10.1063/PT.3.2962
Physics Today 68 (11), 11 (2015); https://doi.org/10.1063/PT.3.2963
Physics Today 68 (11), 11 (2015); https://doi.org/10.1063/PT.3.2964
Physics Today 68 (11), 11 (2015); https://doi.org/10.1063/PT.3.2965

Search and Discovery

Physics Today 68 (11), 12–14 (2015); https://doi.org/10.1063/PT.3.2966

A novel technique for measuring nuclear reaction cross sections may yield long-sought parameters for short-lived isotopes.

Physics Today 68 (11), 14–16 (2015); https://doi.org/10.1063/PT.3.2967

Manipulating zero-point fluctuations may pave the way for ultraprecise measurements of forces and positions.

Physics Today 68 (11), 16–19 (2015); https://doi.org/10.1063/PT.3.2968

Planet-formation simulations produce the right number of gas giants in our outer solar system.

Physics Today 68 (11), 18 (2015); https://doi.org/10.1063/PT.3.2969
Physics Today 68 (11), 18 (2015); https://doi.org/10.1063/PT.3.2970
Physics Today 68 (11), 18 (2015); https://doi.org/10.1063/PT.3.2971
Physics Today 68 (11), 19 (2015); https://doi.org/10.1063/PT.3.2972
Physics Today 68 (11), 19 (2015); https://doi.org/10.1063/PT.3.2973

Issues and Events

Physics Today 68 (11), 20–21 (2015); https://doi.org/10.1063/PT.3.2974

Each of four prospective producers of molybdenum-99 says it can satisfy at least half of US demand for the short-lived substance.

Physics Today 68 (11), 22–23 (2015); https://doi.org/10.1063/PT.3.2975

Antiproton researchers—who are responsible for the “A” in FAIR—are especially relieved that the project will stay intact.

Physics Today 68 (11), 24–25 (2015); https://doi.org/10.1063/PT.3.2976

Centers are spread more evenly across the country and include environmental and Earth sciences.

Physics Today 68 (11), 26 (2015); https://doi.org/10.1063/PT.3.2977

Committee report urges agencies to trim and standardize their grant-application requirements.

Physics Today 68 (11), 27–28 (2015); https://doi.org/10.1063/PT.3.2978

Articles

Physics Today 68 (11), 30–36 (2015); https://doi.org/10.1063/PT.3.2979

In his later years, Einstein often claimed that he had obtained the field equations of general relativity by choosing the mathematically most natural candidate. His writings during the period in which he developed general relativity tell a different story.

In Special Collection: Quantum archive
Physics Today 68 (11), 38–43 (2015); https://doi.org/10.1063/PT.3.2980

Some of nature’s rhymes—the appearance of similar structures in different areas of physics—underlie the way that string theory potentially unifies gravity with the other forces of nature and eliminates the ultraviolet divergences that plague quantum gravity.

Physics Today 68 (11), 44–50 (2015); https://doi.org/10.1063/PT.3.2981

The freedom to choose the size, stiffness, and spatial distribution of macroscopic particles in a lattice makes granular crystals easily tailored building blocks for shock-absorbing materials, sound-focusing devices, acoustic switches, and other exotica.

Books

Physics Today 68 (11), 51 (2015); https://doi.org/10.1063/PT.3.2982
Physics Today 68 (11), 51–53 (2015); https://doi.org/10.1063/PT.3.2983
Physics Today 68 (11), 53–54 (2015); https://doi.org/10.1063/PT.3.2984
Physics Today 68 (11), 54–55 (2015); https://doi.org/10.1063/PT.3.2985
Physics Today 68 (11), 55–56 (2015); https://doi.org/10.1063/PT.3.2986

New Products

Physics Today 68 (11), 57–59 (2015); https://doi.org/10.1063/PT.3.2987

Obituaries

In Special Collection: Print Obituaries
Physics Today 68 (11), 61–62 (2015); https://doi.org/10.1063/PT.3.2988
In Special Collection: Print Obituaries
Physics Today 68 (11), 62 (2015); https://doi.org/10.1063/PT.3.2989
In Special Collection: Print Obituaries
Physics Today 68 (11), 62–63 (2015); https://doi.org/10.1063/PT.3.2990

Quick Study

Physics Today 68 (11), 64–65 (2015); https://doi.org/10.1063/PT.3.2991

Many physicists and physics students have seen videos of the famous bridge disaster that occurred 75 years ago this month. Some of what they saw was misleading.

Back Scatter

Physics Today 68 (11), 88 (2015); https://doi.org/10.1063/PT.3.2992
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