Illustration depicting Heinrich Hertz's mirror experiment using oscillation and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who conclusively proved the existence of the electromagnetic waves theorised by James Clerk Maxwell's electromagnetic theory of light. Dated 20th century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, archival, archive, century, demonstration, electromagnetic, experiment, experimentation, german, heinrich, hertz, historical, history, illustrated, illustration, mirror, oscillation, physicist, physics, radio, rudolf, waves