You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

In this article we will answer the question: how do you scan a QR code. Here's how to scan QR codes, whether you have an Android or iOS operating system.

Though we might laugh about projecting a QR code on one computer to scan it with another, that scenario is actually more applicable to the real world than you might think.

They’re as easy as scanning from our camera or an app and then clicking the link to what we need. But what if scammers and hackers start putting fake QR codes out to the public?

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

Lifesquare wants residents to input personal information about their medications into its website, then place corresponding QR code stickers where emergency responders can scan them with an iPhone.