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Issues
April 1979
ISSN 0031-9228
EISSN 1945-0699
Guest Comment
Letters
Search and Discovery
Articles
The state of the APS and of physics in 1978
Physics Today 32 (4), 25–30 (1979);
https://doi.org/10.1063/1.2995487
The retiring president reviews an eventful and critical year, with ERA and tax‐status problems in the foreground and employment prospects a continuing concern.
Charge‐density waves in transition‐metal compounds
Physics Today 32 (4), 32–38 (1979);
https://doi.org/10.1063/1.2995488
At low temperatures some crystals undergo a phase transition to a state in which the electron density displays periodic modulations incommensurate with the crystal lattice.
Social currents in weak interactions
Physics Today 32 (4), 40–47 (1979);
https://doi.org/10.1063/1.2995489
The controversy surrounding possible violation of the selection rule yields useful insights into the reward system of a scientific field.
Books
Three Dimensional Nets and Polyhedra and Structure in Nature is a Strategy for Design
Physics Today 32 (4), 51–52 (1979);
https://doi.org/10.1063/1.2995490
Nuclear Weapons and World Politics: Alternatives for the Future
Physics Today 32 (4), 55–57 (1979);
https://doi.org/10.1063/1.2995494
