character: Dr. Green
topic: Acoustic Levitation and Its Uses
grade: 11
subject: Physics
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character: Dr. Smith
topic: Applications of Ultrasonic Waves in Medicine
grade: 11
subject: Physics
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character: Professor Johnson
topic: Fundamentals of Sound Waves and Their Properties
grade: 11
subject: Physics
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character: Ms. Taylor
topic: Innovative Technologies Using Sound for Material Manipulation
grade: 11
subject: Physics
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