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Issues
April 1981
ISSN 0031-9228
EISSN 1945-0699
Guest Comment
Letters
Search and Discovery
Articles
Applications of optical phase conjugation
Physics Today 34 (4), 27–35 (1981);
https://doi.org/10.1063/1.2914508
Light waves that are, in effect, time‐reversed images of their original can serve to restore severely aberrated waves to their original state.
Physics and the APS in 1980
Physics Today 34 (4), 38–45 (1981);
https://doi.org/10.1063/1.2914509
The prospects for research are exciting, but there are problems with funding and manpower.
E Pluribus Boojum: the physicist as neologist
Physics Today 34 (4), 46–53 (1981);
https://doi.org/10.1063/1.2914510
An account—heretofore available only in a samizdat edition—of how the word “boojum” became an internationally accepted scientific term, printed in some very distinguished journals.
State and Society
Physics Community
Books
We Hear That
Schmidt, Peebles win RAS medals
Physics Today 34 (4), 80–82 (1981);
https://doi.org/10.1063/1.2914534
Obituaries
New Products
Editorial
Going with the flow in unstable surroundings
Savannah D. Gowen; Thomas E. Videbæk; Sidney R. Nagel
Measuring violin resonances
Elizabeth M. Wood
Focus on cryogenics, vacuum equipment, materials, and semiconductors
Andreas Mandelis