It’s hard to believe the bar code is turning 50. Anyone who was a cashier in the ’80s knows how life-changing it was to scan the product instead of typing in the product category and price. Designed ...

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 ...

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) ...

Only 7% of LAist readers currently donate to fund our journalism. Help raise that number, so our nonprofit newsroom stays strong in the face of federal cuts. Donate now. SIEGEL: That's the sound of a ...

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, ...

Reader's advisory: Wired News has been unable to confirm some sources for a number of stories written by this author. If you have any information about sources cited in this article, please send an ...

The bar code has been commemorated by Google with a new doodle logo on its homepage. We look back at the invention of the bar code. The new doodle from Google marks the 57th anniversary of the day the ...