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 ...

Sure, airport body scanners are looking for threats, but here’s what else these security devices might reveal in the process ...

You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the dreaded check-engine light. A lot of people just ignore it; after all, it's ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

A fingerprint scanner is a small electronic device that guards your computer from intruders. You place your fingertip on the reader; it scans your fingerprint and compares it to the prints stored in ...