Security is easiest when you are the password: You don’t have to memorize complicated keywords, but simply hold your face up to the camera or your finger on a sensor — and you can access your computer ...

Keeping your computer secure is more important than ever ... and provides an additional layer of security and convenience.

An object of desire back in the mid-1990s might have been Apple’s QuickTake camera. In a form factor not unlike a monocular it packed a 640×480 digital camera, the images from which could be ...

The DIYer's project used that optical sensor and crammed it into a self-made camera body, which they might have 3D printed.

Restart your computer. Plug your webcam into another available USB port. Check your webcam cable. The cable might be damaged. Test your webcam on another working computer. The above steps will let you ...