Since the 1970s, bar codes have provided a reliable, inexpensive form of machine-readable identification. Although bar coding has numerous benefits, its primary function is to error-proof the ...

That old grocery-store standby, the bar code on every mop, magazine, and Mars bar, celebrated its 30th birthday this year. Considering the drastic advances in computing since 1974, it should come as ...

George Laurer had no idea his design would reach well beyond retail outlets when he created the black line and number sets known as the modern bar code while working for IBM as an engineer. Forty ...