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Issues
December 1978
ISSN 0031-9228
EISSN 1945-0699
Letters
Search and Discovery
Articles
Time, frequency and physical measurement
Physics Today 31 (12), 23–30 (1978);
https://doi.org/10.1063/1.2994867
Perhaps all standards—including those of length, mass and temperature—can be redefined by linking them to the most accurate standard, that of time, which is known to an accuracy of
Magnetism in one dimension
Physics Today 31 (12), 32–43 (1978);
https://doi.org/10.1063/1.2994868
Crystals whose magnetic ions are arranged in separated chains have magnetic properties that indicate nearly ideal one‐dimensional rather than three‐dimensional behavior.
Electrical conduction in metals
Physics Today 31 (12), 44–49 (1978);
https://doi.org/10.1063/1.2994869
The modern theory was created fifty years ago by Felix Bloch; it still provides the basis for understanding conduction, but many challenges remain.
Books
Future Energy Alternatives: Long‐range Energy Prospects for America and the World
Physics Today 31 (12), 55–58 (1978);
https://doi.org/10.1063/1.2994875
Scientists under Hitler: Politics and the Physics Community in the Third Reich
Physics Today 31 (12), 58–61 (1978);
https://doi.org/10.1063/1.2994877
We Hear That
Obituaries
New Products
State and Society
Physics Community
Editorial
The lessons learned from ephemeral nuclei
Witold Nazarewicz; Lee G. Sobotka
FYI science policy briefs
Lindsay McKenzie; Jacob Taylor