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 ...

Some technologies you use every day, but without thinking about them. The bar code is one of these: everything you buy has one of these black and white striped codes on it. We've all seen how they are ...

If you plan to run a very small store, sometimes called a "mom and pop" shop, you can probably hand-enter pricing information when ringing up a customer's order. For a larger scale operation, however, ...

On a June morning in 1974, a Marsh Supermarket cashier in Troy, Ohio, rang up a 67-cent pack of Juicy Fruit chewing gum using something novel — the black and white stripes of a universal bar code. The ...

Few objects in the world are more immediately recognizable than the bar code. After all, bar codes are all around us. They’re on the books we buy and the packages that land on our doorsteps. More than ...