While we discuss barcodes and barcode scanning all the time, we rarely take a moment to analyze how the technology we love so much truly works. I recently came across an excellent video detailing the science behind how a barcode scanner works.
The basic principle of a barcode scanner is to analyze an image and process it, but that is done with a laser beam, which is an intriguing process. Watch the video below from the Science Channel to get a detailed explanation of everything that goes on inside a barcode scanner.
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barcode scanner, barcode scanning, how barcode scanner works, how barcode scanning works
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