character: Professor Garcia
topic: Optical Sensors and Their Applications
grade: 9
subject: Physics
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character: Dr. Sarah Lee
topic: Introduction to Photonics and Sensors
grade: 9
subject: Physics
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character: Mr. James Turing
topic: Applications of Light in Technology
grade: 9
subject: Physics
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character: Ms. Elena Martinez
topic: Exploring Various Types of Sensors in Physics
grade: 9
subject: Physics
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