character: Galileo Galilei
topic: The Strength of Materials
grade: 8
subject: Mathematics
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character: Isaac Newton
topic: Principles of Physics
grade: 8
subject: Mathematics
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character: Archimedes
topic: Buoyancy and Leverage
grade: 8
subject: Mathematics
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character: Leonardo da Vinci
topic: Engineering and Structure
grade: 8
subject: Mathematics
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