Now, nano ‘fingerprints’ to secure credit cards

 Scientists have developed invisible nano ‘fingerprints’ that could be embedded into money, gadgets and credit cards, making it impossible to counterfeit the objects. Unique patterns made from tiny, randomly scattered silver nanowires have been created in an attempt to authenticate goods and tackle the growing problem of counterfeiting.  The nanoscale ‘fingerprints’ are made by randomly placing.........

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