Skip Nav Destination
Issues
September 1975
ISSN 0031-9228
EISSN 1945-0699
Letters
Search and Discovery
Articles
Photoacoustic spectroscopy of solids
Physics Today 28 (9), 23–30 (1975);
https://doi.org/10.1063/1.3069155
The generation of sound from a periodically illuminated solid, an effect first discovered in 1881, is now being used to study the properties of materials not accessible to optical spectroscopy.
Effects of radiation on materials
Physics Today 28 (9), 34–40 (1975);
https://doi.org/10.1063/1.3069156
Key problems that more physicists could help with include embrittlement of pressure vessels in water reactors, swelling of fuel elements in fast breeders and plasma contamination and wall erosion in fusion reactors.
High‐energy gamma‐ray astronomy
Physics Today 28 (9), 42–50 (1975);
https://doi.org/10.1063/1.3069157
The highest‐energy particles and processes in the Universe provide clear and often unique information on the structure and history both of our Galaxy and of the regions beyond.
Books
Crystal Chemistry of Non‐Metallic Materials Vol. 4: The Major Ternary Structural Families
Physics Today 28 (9), 55–56 (1975);
https://doi.org/10.1063/1.3069161
We Hear That
Obituaries
New Products
APS News
State and Society
Physics Community
Calendar
Editorial
FYI science policy briefs
Lindsay McKenzie; Hannah Daniel
Another Fowler
Peter J. Turchi
Wu, Shaknov, and the EPR dilemma
Peter W. Milonni