NSF Researchers Improve Barcode Scanners; Advances Lead to Widespread Use of the Technology
Barcodes are a familiar feature of product packaging today. On June 26, 1974, the first product with the Universal Product Code barcode was scanned at a checkout counter. It was, historians say, a 10-pack of Wrigley's chewing gum.
Credit: Curt Suplee, National Science Foundation
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