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Most of us would have done shopping in malls, shops and like-wise places and at the time of payment at cash counter you must have seen that the salesman had scanned the tag of the product you ...

Researchers at Penn State University and SurroMed, Inc., in the 5 October issue of the journal Science report on the fabrication, optical properties, and initial application of microscopic metallic ...

You will see Barcodes on products in the supermarket stores and company products. Barcodes are used to translate information such as product numbers, batch numbers, and serial numbers. Barcodes help ...