Our blood, sweat and tears are three precious fluids that can answer lots of questions about the state of our health but testing small amounts of bodily fluids, without contaminating them through contact with solid surfaces or other fluids, is something that fluid mechanics have long pondered. A group of physicists from the University of Liege, Belgium, is publishing research in the New Journal of Physics today, Tuesday, 18 November, which shows how lab technicians can make droplets dance. (source: iop.org)
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