If your pointing device is a mouse, turn it over. The chances are you’ll see a red LED light if you’re not seriously old-school and your mouse has a ball, this light serves as the illumination ...

the IntelliMouse Explorer was certainly the first that had an optical sensor instead of the normal embedded mouse ball that was made for a mass-market audience. Microsoft, of course, had been ...

Reader [Alex Dawson] was having issues with his Apple Pro Optical mouse. The new mouse had broken ... not line up with the hole though. Once the ball ring was fused in place, Alex cut a new ...

A mouse that uses light to detect movement. Introduced in the late 1990s, optical mice superseded mechanical mice because their sealed bottom surfaces do not absorb dust and dirt. They work by ...