The Unheard Frequency: How FM Radio Revolutionized Broadcasting

In this episode, host Sam Martinez explores the quiet revolution behind the invention of Frequency Modulation (FM) radio. Discover how Edwin Armstrong's overlooked innovation transformed the broadcasting industry, paving the way for high-fidelity audio and changing the way we consume media forever. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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How long is this episode of The Quiet Revolution?

This episode is 8 minutes long.

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This episode was published on August 29, 2025.

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