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Frequency Hopping

Learn what inspired Hedy Lamarr to create frequency hopping, a type of secure radio communication to help combat the Nazis in World War II.
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Clip Season 32 Episode 2 Length 02:20 Premiere: 05/18/18

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Green and blue background with a white schoolhouse. Text reads Used in Every Kentucky School DistrictGreen and blue background with a white schoolhouse. Text reads Used in Every Kentucky School District

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