Staff member Ewen Smart (left) gets his QR code scanned during a demonstration on how to do the self-test kit at a new walk-through Covid test centre at The Engine Shed, Stirling, which opens to the ...

Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

What if your lost stuff could find you? Two local companies, GoCodes and FinderCodes, make this possible via scannable tags their customers can affix to their pets, luggage and other belongings. If ...

Everywhere you look at the South by Southwest conference this week, you see QR codes. The square “quick response” codes turn URLs, vCards, or any kind of text into a jumble of pixels that you can scan ...