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Issues
April 1994
ISSN 0031-9228
EISSN 1945-0699
Reference Frame
Letters
Detecting Isotropy: To C or Not to C?
Physics Today 47 (4), 13–15 (1994);
https://doi.org/10.1063/1.2808464
Search and Discovery
Articles
Cancer and Power Lines
Physics Today 47 (4), 23–29 (1994);
https://doi.org/10.1063/1.881417
Do the all‐pervasive low‐frequency electromagnetic fields of modern life threaten our health? Most probably not, judging from comparisons with the natural fields present in the environment and in our bodies.
Xerography: A Study in Innovation and Economic Competitiveness
Physics Today 47 (4), 32–38 (1994);
https://doi.org/10.1063/1.881427
When Chester Carlson invented a means of copying images using sulfur film and lycopodium powder in 1938, no one could have foreseen the advances in materials science and other developments that would turn his nascent technology into today's burgeoning business.
Teaching and Learning Physics with Interactive Video
Physics Today 47 (4), 41–47 (1994);
https://doi.org/10.1063/1.881428
Using computer‐controlled digital video, students con view and analyze the physics of events as common as the snapping of a towel, as graceful as the motion of a dancer or as extraordinary as the collapse of the Tacoma Narrows Bridge.
Washington Reports
Physics Community
Books
New Products
We Hear That
Obituaries
France’s Oppenheimer
William Sweet
Making qubits from magnetic molecules
Stephen Hill
Learning to see gravitational lenses
Sebastian Fernandez-Mulligan