In the broadcasting center of a radio station, visitors are informed in a kind of educational course about how "electric waves" are generated and how they are converted into sounds that can then be heard on the radio.
DirectorHans Fritz Wilhelm
Acting
6.4
Movie
2017
7.2
2022
7.1
2019
6.6
2006
7.3
2018
2026
7.0
6.9
2003
2025
6.2
2013
7.4
2016
