La radio: ¡A que no sabías esto!

The video explores the invention and evolution of radio, highlighting Guillermo Marconi's contributions. It discusses radio's role in navigation, warfare, and espionage, and details the powerful XERA station. The technical workings of radio transmission are explained, and the impact of the digital era on radio is considered.

What was the power of the radio station XERA and what was its significance?

Explain how sound is transmitted through the air in radio communication.