Motion detectors are widely known for their role in home security systems, but their usefulness extends far beyond guarding ...

These electronic copilots can pick up speed traps, red-light cameras, and more.

Uh-oh. Yup, those are indeed red and blue flashing lights in your rearview mirror. It's a position many of us have been in, but there are ways to limit these situations. Navigation apps such as Waze ...