Researchers have invented a chemical fingerprint that, when used with a phone app, reveals whether a product is genuine or a fake; the fingerprints have been tested and earned a 100 percent success rate.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190221111717.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190221111717.htm
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