The queen of the waves (1936)

An animated short film that explains in a pedagogical way how the radio transmission works. Created by Czech filmmakers it was commissioned by Argentina Schools. The film tells the story of Curious, an extraterrestrial child that reaches the planet earth attracted by the sound waves. There he meets the Queen of Waves, an ethereal figure who teaches her step by step the process by which sound is captured, amplified, modulated and transformed into electromagnetic vibrations to be transmitted by a radial antenna.