A German city has been faced with a mystery since QR codes appeared on more than 1,000 graves and wooden crosses, without any ...

A good way to start an iron holder build is to trace the iron's plate on the wood; the outline serves as a cut template for the holder's backing, which will attach to the wall. Next, stand the iron up ...

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You’ve almost certainly used QR codes before—it’s when you point your phone’s camera at a square barcode to access a menu, a form, or even an app, and then tap on the link that appears.