This episode explores the early history of radio, from the discovery of electromagnetic fields to the development of wireless telegraphy and broadcasting. It covers key milestones such as the experiments of Heinrich Rudolf Hertz and Guglielmo Marconi, the first long-distance transmission of human voice and music by Reginald Fessenden, and the advancements in radio technology by inventors like Lee DeForest and Edwin Armstrong. The episode also discusses the golden age of radio and the impact of digital audio broadcasting. Overall, radio remains a popular medium with a lasting presence.

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