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Issues
May 1971
ISSN 0031-9228
EISSN 1945-0699
Letters
Refereeing or thought control?
Physics Today 24 (5), 68–69 (1971);
https://doi.org/10.1063/1.3022771
Search and Discovery
Articles
How scientists can really help
Physics Today 24 (5), 23–25 (1971);
https://doi.org/10.1063/1.3022730
The priority need is to develop a systems analysis with heart that society can rely on to choose between possible technologies.
Theory of amorphous semiconductors
Physics Today 24 (5), 26–32 (1971);
https://doi.org/10.1063/1.3022731
A band model of disordered materials has some of the gross features of crystalline structures, with significant detailed differences.
Finding a better value for G
Physics Today 24 (5), 34–40 (1971);
https://doi.org/10.1063/1.3022732
Surprisingly, we know the gravitational constant only to within about half a percent. With this elegant method, we hope for a precision of at least one part in ten thousand.
Books
Physique des Lignes de Haute Fréquence et D'Ultra‐Haute Fréquence and Microwaves
Physics Today 24 (5), 45 (1971);
https://doi.org/10.1063/1.3022736
The Fundamental Constants and Quantum Electrodynamics
Physics Today 24 (5), 51–53 (1971);
https://doi.org/10.1063/1.3022747
Nuclear Energy, Vol. 106: Experimental Neutron Thermalisation
Physics Today 24 (5), 53 (1971);
https://doi.org/10.1063/1.3022748
Methods of Experimental Physics, Vol. 8: Problems And Solutions for Students
Physics Today 24 (5), 55–56 (1971);
https://doi.org/10.1063/1.3022751
State and Society
Physics Community
We Hear That
Calendar
Editorial
A health sensor powered by sweat
Alex Lopatka
Origami-inspired robot folds into more than 1000 shapes
Jennifer Sieben
Careers by the numbers
Richard J. Fitzgerald