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Physicist Uncovers Secrets of Sonoluminescence

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For years, researchers have tried to explain the atomic processes behind sonoluminescence, the phenomenon in which ultrasonic waves break against a water bubble's surface and heat gas atoms inside. This rapid heating causes gas atoms to glow. Physicist Sanjay Khare of Ohio State University at Columbus and Pritiraj Mohanty, a graduate student of physics at the University of Maryland at College Park may have taken the first step in uncovering this mystery. Ultrasound-stimulated bubbles emit light in very short pulses, as short as a trillionth of a second. Khare and Mohanty theorized that it...Read full article

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