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Issues
May 1981
ISSN 0031-9228
EISSN 1945-0699
Guest Comment
Letters
Search and Discovery
Articles
Facilities in the United States
Physics Today 34 (5), 28–37 (1981);
https://doi.org/10.1063/1.2914566
These laboratories have a good geographic distribution and are available to outside users; between them, they provide spectral and intensity ranges for a very wide variety of experiments.
Research with x rays
Physics Today 34 (5), 40–49 (1981);
https://doi.org/10.1063/1.2914567
No longer limited by weak x‐ray sources, researchers are using intense beams of synchrotron radiation, continuously selectable in energy, to explore the geometric and electronic structure of matter.
Wiggler and undulator magnets
Physics Today 34 (5), 50–63 (1981);
https://doi.org/10.1063/1.2914568
Two new devices are being added to synchrotron radiation sources to extend the spectral range and increase brightness.
Ultraviolet radiation—an incisive and versatile tool
Physics Today 34 (5), 64–71 (1981);
https://doi.org/10.1063/1.2914569
Photon‐stimulated excitations of electrons, photons and ions provide a basis for innumerable spectroscopy techniques as well as for important technological tools.
State and Society
Physics Community
Books
Recent Developments in Gauge Theories
Physics Today 34 (5), 83–84 (1981);
https://doi.org/10.1063/1.2914581
APS News
We Hear That
Obituaries
Calendar
New Products
Editorial
The lessons learned from ephemeral nuclei
Witold Nazarewicz; Lee G. Sobotka
FYI science policy briefs
Lindsay McKenzie; Jacob Taylor