Why Voices Move Us: A Radio Day Special
The Conception of the Modern Radio The 19th century was an era of myriad inventions. Early work by scientists like Heinrich Hertz proved the existence of electromagnetic waves. Guglielmo Marconi made a breakthrough in 1895, when he transmitted radio signals over several kilometres. Once it was discovered that electromagnetic waves could transmit signals through air, the idea of the radio was conceived. What began as a basic coded communication between ships and stations soon evolved into voice transmission across different media. As technology further progressed, radio became more and more accessible and portable. Large receivers were replaced by smaller transistor radios. This made it possible to listen to daily news, entertainment and music while travelling, working, or resting. Over time, radio stations improved sound quality and eventually expanded into digital formats, satellite broadcasting, online streaming, and podcasts. Despite the many structural changes that the radio has un...