In supermarkets, cashiers usually pass goods through a scanner at the checkout counter, where barcode technology is used to ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Consider it a barcode for bombers–an eye test for spy planes ...
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 ...
Either through QR codes, RFID, or near field communication, there seems to be some desire to share tiny pieces of data in a more physical and accessible form. [Chris Harrison], [Robert Xiao], and ...
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