character: Thomas Edison
topic: Impact of Sound Recording Technology
grade: 11
subject: Physics
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character: Nikola Tesla
topic: Influence on Electrical Innovations
grade: 11
subject: Physics
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character: Henry Ford
topic: Advancements in Manufacturing Technology
grade: 11
subject: Physics
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character: Guglielmo Marconi
topic: Early Development of Radio Communication
grade: 11
subject: Physics
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