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Readers’ Forum

Physics Today 76 (3), 10–11 (2023); https://doi.org/10.1063/PT.3.5185
Physics Today 76 (3), 12 (2023); https://doi.org/10.1063/PT.3.5186
Physics Today 76 (3), 12–13 (2023); https://doi.org/10.1063/PT.3.5187
Physics Today 76 (3), 13 (2023); https://doi.org/10.1063/PT.3.5188
Physics Today 76 (3), 13 (2023); https://doi.org/10.1063/PT.3.5189
Physics Today 76 (3), 14 (2023); https://doi.org/10.1063/PT.3.5190
Physics Today 76 (3), 14–15 (2023); https://doi.org/10.1063/PT.3.5191

Search and Discovery

Physics Today 76 (3), 16–18 (2023); https://doi.org/10.1063/PT.3.5192

Adding salt to a material lowers its melting point and removes heat. New work describes how to make that process reversible and cyclic.

Physics Today 76 (3), 18–20 (2023); https://doi.org/10.1063/PT.3.5193

For one type of cardiac arrhythmia, trouble comes in threes.

Issues and Events

Physics Today 76 (3), 22–24 (2023); https://doi.org/10.1063/PT.3.5194

Fostering participation benefits the whole field, note proponents.

Physics Today 76 (3), 25–27 (2023); https://doi.org/10.1063/PT.3.5195

Startup companies are betting on different approaches and laser technologies for fusion to become a commercially viable energy source.

Articles

Physics Today 76 (3), 28–34 (2023); https://doi.org/10.1063/PT.3.5196

Molecular systems can host multiple electron spin qubits that have promising properties for quantum applications.

Physics Today 76 (3), 36–43 (2023); https://doi.org/10.1063/PT.3.5197

Despite the US’s strict postwar limitations on sharing nuclear knowledge, Norway and the Netherlands together were able to build a nuclear reactor several years after World War II ended.

Physics Today 76 (3), 44–49 (2023); https://doi.org/10.1063/PT.3.5198

The worst uncertainties about climate change are outside the scope of climate models but can be thought about in other ways—especially by learning from past climates.

Books

Physics Today 76 (3), 50–51 (2023); https://doi.org/10.1063/PT.3.5199

Existential Physics: A Scientist’s Guide to Life’s Biggest Questions, Sabine Hossenfelder, Viking, 2022, $28.00

Physics Today 76 (3), 52–53 (2023); https://doi.org/10.1063/PT.3.5200

Statistical Methods for Climate Scientists, Timothy M. DelSole and Michael K. Tippett, Cambridge U. Press, 2022, $69.99

Physics Today 76 (3), 53–54 (2023); https://doi.org/10.1063/PT.3.5201

New Products

Physics Today 76 (3), 55–59 (2023); https://doi.org/10.1063/PT.3.5202

Obituaries

In Special Collection: Print Obituaries
Physics Today 76 (3), 61 (2023); https://doi.org/10.1063/PT.3.5203

Quick Study

Physics Today 76 (3), 62–63 (2023); https://doi.org/10.1063/PT.3.5204

Researchers look to the human body as a feasible resource for construction materials beyond Earth.

Back Scatter

Physics Today 76 (3), 64 (2023); https://doi.org/10.1063/PT.3.5205
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