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.
Illustration ID: Radio-Waves-_4_vertical
Illustration size: 41.0 Mpixels (117 MB uncompressed) - 5000x8192 pixels (16.7x27.3 in / 42.3x69.4 cm at 300 ppi)