Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

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, ...

Getting your Trinity Audio player ready... Boulder – Jonathan Baldino might be off the “nice” list. Police say Baldino used homemade bar codes to buy electronic gadgets at prices far below any ...