Researchers at the University of Twente's MESA+ research institute have given the first demonstration of how the drag exerted on liquids flowing through tiny "fluidic chips" is affected by the introduction of diminutive gas bubbles. Armed with this knowledge, scientists can directly manipulate flow resistance in a variety of applications involving combinations of liquids and gas bubbles. This could be useful in areas ranging from the manufacture of fizzy drinks to the development of artificial lungs.
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