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 ...

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 ...

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, ...

Though we may not realise it, bar codes touch most aspects of our daily lives. They can be used to track vehicles, people and items. Because of bar codes, the checking out process at our local ...