character: Nikola Tesla
topic: Renewable Energy Innovations
grade: 9
subject: Physics
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character: Thomas Edison
topic: AC vs. DC Current Debate
grade: 9
subject: Physics
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character: Albert Einstein
topic: Theory of Relativity and Energy
grade: 9
subject: Physics
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character: Henry Ford
topic: Impact of Renewable Energy on Transportation
grade: 9
subject: Physics
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