Science invention
How were barcodes invented?
Barcode technology was first patented in 1949, but engineers came up with the UPC code in the 1970s to meet the need for better efficiency in grocery stores.
Barcode Technology
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Articles about Barcode Technology
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New technology
DNA bar codes are anti-goods
In an effort to eliminate low-quality or disguised electronics, the US Department of Defense began applying DNA barcodes to track the origin of the device.