Video: The Secret Life of Radios
by Thomas from The SWLing Post on (#4A528)
Many thanks to SWLing Post contributor, Skip Arey (N2EI), who shared the following video on Facebook:
Any electrical spark creates radio waves and acts as a transmitter. You hear sparks on a radio as interference. That's why lighting makes radios crackle, and even the tiny spark in a switch is enough to make a noise on the radio when turning on a light./blockquote>