A spray of disinfectants and antitoxins designed to cling to the body could be a way to help people after a bioterror attack. The decontamination unit could process hundreds of “casualties” in the aftermath of a chemical or biological attack. The fine mist droplets sprayed on the skin are given an identical electrostatic charge, which helps ensure that the liquid forms a thin and even coating across the entire body. This is because droplets with the same charge will repel each other, meaning that an even film will settle out across the surface onto which it is being sprayed. The principle that opposite charges attract means that they will also stick to the skin. The scientists behind the spray system say that the charge provides sufficient impetus for the liquid to spread into every crevice – including the armpits and groin. Full Story
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