character: Albert Einstein
topic: The Theory of Relativity and Time Measurement
grade: 9
subject: Chemistry
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character: Isaac Newton
topic: Newton's Laws and Time as a Fundamental Element in Physics
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Radioactive Decay and Time Measurement in Chemistry
grade: 9
subject: Chemistry
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character: Niels Bohr
topic: Quantum Mechanics and Timekeeping
grade: 9
subject: Chemistry
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