You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

Over the past five years, my close collaboration with universities has revealed a concerning trend: Access control for both staff and students is predominantly manual or fragmented. This approach to ...

You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among other options.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have. When he's not testing the latest phones or phone cameras, Andrew can normally be found ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...