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Issues

From the Editor

Physics Today 75 (2), 8 (2022); https://doi.org/10.1063/PT.3.4928

Readers’ Forum

Physics Today 75 (2), 10–11 (2022); https://doi.org/10.1063/PT.3.4929
Physics Today 75 (2), 11 (2022); https://doi.org/10.1063/PT.3.4930
Physics Today 75 (2), 11–12 (2022); https://doi.org/10.1063/PT.3.4931
Physics Today 75 (2), 12 (2022); https://doi.org/10.1063/PT.3.4932
Physics Today 75 (2), 12 (2022); https://doi.org/10.1063/PT.3.4933

Search and Discovery

Physics Today 75 (2), 14–15 (2022); https://doi.org/10.1063/PT.3.4934

Electrolyte molecules that have both positive and negative charges stay in place while lithium ions move among them.

Physics Today 75 (2), 16–17 (2022); https://doi.org/10.1063/PT.3.4935

A heterostructure exhibits unusual electronic behavior previously seen only in materials with rare-earth or actinide elements.

Physics Today 75 (2), 18–19 (2022); https://doi.org/10.1063/PT.3.4936

With increasingly negative electric potentials, sodium spectator ions help split water to form molecular hydrogen.

Issues and Events

Physics Today 75 (2), 20–23 (2022); https://doi.org/10.1063/PT.3.4937

Researchers make do with alternative sources, methods, materials, and activities.

Physics Today 75 (2), 24–26 (2022); https://doi.org/10.1063/PT.3.4938

The US Department of Energy says it has provided enough support to get a domestic industry off the ground without weapons-usable material.

Articles

Physics Today 75 (2), 28–33 (2022); https://doi.org/10.1063/PT.3.4939

New capabilities are enabling laboratory spectroscopists to acquire more molecular spectra that advance our chemical understanding of the universe.

Physics Today 75 (2), 34–39 (2022); https://doi.org/10.1063/PT.3.4940

Complex physical processes that affect the solidification of multicomponent fluids have implications for materials science and geophysics.

Physics Today 75 (2), 42–47 (2022); https://doi.org/10.1063/PT.3.4941

In addition to being a navigation tool, GPS signals are helping scientists observe Earth’s hydrologic cycle.

Books

Physics Today 75 (2), 49–50 (2022); https://doi.org/10.1063/PT.3.4942
Physics Today 75 (2), 50 (2022); https://doi.org/10.1063/PT.3.4943
Physics Today 75 (2), 52 (2022); https://doi.org/10.1063/PT.3.4944

New Products

Physics Today 75 (2), 53–57 (2022); https://doi.org/10.1063/PT.3.4945

Obituaries

In Special Collection: Print Obituaries
Physics Today 75 (2), 59 (2022); https://doi.org/10.1063/PT.3.4946
In Special Collection: Print Obituaries
Physics Today 75 (2), 60 (2022); https://doi.org/10.1063/PT.3.4947

Quick Study

Physics Today 75 (2), 62–63 (2022); https://doi.org/10.1063/PT.3.4948

To detect individual electrons in air, researchers are revisiting experiments from the dawn of the laser age with new technology.

Back Scatter

Physics Today 75 (2), 64 (2022); https://doi.org/10.1063/PT.3.4949
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