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Real-Time Ultrasonic Rheometer and Fluid Characterization Device

Caption: Pacific Northwest National Laboratory's ultrasonic rheometer, shown here testing tomato paste, measures the viscosity and other physical characteristics of various liquids.

Credit: Courtesy of Pacific Northwest National Laboratory.

Usage Restrictions: Image courtesy of Pacific Northwest National Laboratory. Use of image shall not claim any expressed or implied affiliation with, or endorsement by, Battelle Memorial Institute, Pacific Northwest National Laboratory or the U.S. Department of Energy.