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 ...

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 ...

Ring is launching a new pet collar called the Pet Tag that takes a different approach when it comes to pet tracking. Instead of using a GPS or Bluetooth, the QR code would link to more details about ...

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Petroleum giant ExxonMobil Corp. is adding QR code and near-field communication-enabled tags to its fuel pumps for consumers using Apple Pay or Google Pay. ExxonMobil says more than 11,500 U.S. Exxon ...

The new law marks a major shift away from a system that has been in place in Louisiana for decades.

Here’s the idea: you attach a QR code to your key ring that, when scanned, opens a texting window with “I found your keys!” set to send to the key owner’s phone. When I saw the instructions for this ...