Radio waves #14 transmission tower
Image of radio waves emanating from a transmission tower. Radio waves are electromagnetic waves that a created when charge is accelerated. This happens when the voltage across a transmitting aerial is varied. Radio waves are very useful and ubiquitous but there has been concern that those associated with mobile phones (cell phones) might cause cancer.
Illustration ID: PHYSICS-radio-waves-_14
Illustration size: 25.0 Mpixels (71.5 MB uncompressed) - 5000x5000 pixels (16.6x16.6 in / 42.3x42.3 cm at 300 ppi)
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