The only painful part of wearing an adhesive bandage is having to peel them off, so researchers at Purdue University's
Birck Nanotechnology Center have developed a way to turn Band-Aids into a nearly pain free alternative to needles. By integrating a tiny heat-powered pump, adhesive patches could automatically deliver medication to a patient without the need for a painful prick.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/-aUj6wGldM8/body-heat+powered-drug-delivering-bandages-means-no-more-needles
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