Red lights are for fire trucks, and blue means law enforcement. But what about green lights on a car? We have the answer.

Years ago, if you were to ask a child to draw a police car, you would undoubtedly get a picture of a black and white vehicle—probably a Crown Vic style—with red and blue flashing lights. Today, ...

If you're not familiar with networking technology, then the two boxes that sit quietly in the corner of your room or basement likely seem more mysterious than they are. Each device — the internet ...