A mule isn’t just a four-legged hybrid created of a union betwixt Donkey and Horse; in our circles, it’s much more likely to mean a testbed device you hang various bits of hardware off in order to ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

This is one of those hacks that makes you stop in your tracks and say, “wait, you can do that!?” — before realizing, oh, yes, of course you can do that. With enough computational power, you can do a ...

Have you ever wished for a quick, QR code-style way to check your Aadhaar card details? Good news: the Unique Identification Authority of India (UIDAI) has introduced exactly that—a dedicated, secure ...

A Spectra Physics Model A supermarket scanner—one of the first ten ever produced. A laser within the unit projects a beam onto a mirror that redirects it through the glass plate on the top. Cade ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by James Austin After testing 36 drones since 2016, we’ve found the DJI Air 3S to ...

Compare the best receipt scanner apps for 2026, including pricing, features, pros and cons, and top use cases for small businesses. Looking for an app to help you track expenses, scan invoices, and ...

If you're thinking about buying or upgrading your camera, check out the top full-frame models we've tested. Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for ...

This tutorial will show you how to use your phone camera as a webcam using Phone Link in Windows 11. Phone Link is one of the important system components of Windows 11 that has many interesting ...

If you want to become a better vlogger, you might need a new camera, smartphone, or drone to add some production value to your videos. Start with the top vlogging cameras we've tested. Images, and the ...

A shoulder computed tomography scan or (CT or CAT scan) creates cross-sectional images of the shoulder using specialized X-ray cameras. This scan can help doctors see the bones and soft tissues in the ...