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Notes From the Field: An Article Format Appropriate for the Current Times

Robert J Kim-Farley1

  • 1The author is with the Departments of Epidemiology and Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, and is an associate editor of the American Journal of Public Health.

American Journal of Public Health
|May 14, 2025
PubMed
Abstract

No abstract available in PubMed .

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Dual Nature of Electromagnetic (EM) Radiation01:10

Dual Nature of Electromagnetic (EM) Radiation

Electromagnetic (EM) radiation consists of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be classified as a wave, characterized by the properties of waves such as wavelength (denoted as λ) and frequency (represented by ν).
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the...
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