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Issues
March 1982
ISSN 0031-9228
EISSN 1945-0699
Guest Comment
Letters
Search and Discovery
Articles
Extraterrestrial intelligence: the debate continues. The readers respond to Tipler
L. E. Preuss; F. P. Bolin; Frank D. Drake; John Bart Willburn, Jr; Henriette Nadj; John Nadj; Miroslav Nadj; Jonathan Klatz; Eric M. Jones; Barham W. Smith; Charles A. Whitney; George Sai‐Halasz; N. L. Cohen; Gregory Benford; John Daugman; Michael Gerverl
Physics Today 35 (3), 26–34 (1982);
https://doi.org/10.1063/1.2914964
Extraterrestrial intelligence: the debate continues. A biologist looks at the numbers
Physics Today 35 (3), 27–31 (1982);
https://doi.org/10.1063/1.2914965
Differential geometry, fiber bundles and physical theories
Physics Today 35 (3), 41–44 (1982);
https://doi.org/10.1063/1.2914967
Working on purely abstract problems in geometry, mathematicians have independently found a suitable framework for the gauge theories that appear to describe elementary particles.
Thermodynamics of excitons in semiconductors
Physics Today 35 (3), 46–54 (1982);
https://doi.org/10.1063/1.2914968
Groups of photoexcited electrons and holes in silicon and germanium, observed through spectroscopy and imaging techniques, show thermodynamic behavior much like that of atomic and molecular gases and liquids.
State and Society
Physics Community
Books
Ferromagnetic Materials: A Handbook on the Properties of Magnetically Ordered Substances, Vols. 1 and 2
Physics Today 35 (3), 63–64 (1982);
https://doi.org/10.1063/1.2914974
Albert Einstein's Special Theory of Relativity: Emergence (1905) and Early Interpretation (1905–1911)
Physics Today 35 (3), 64–65 (1982);
https://doi.org/10.1063/1.2914975
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Obituaries
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Editorial
France’s Oppenheimer
William Sweet
Making qubits from magnetic molecules
Stephen Hill
Learning to see gravitational lenses
Sebastian Fernandez-Mulligan