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.

SALT LAKE CITY (KUTV) — After multiple reports of a black sedan attempting to pull drivers over using red and blue flashing lights under its fog lights, the owner of the car contacted police to ...

green and blue value for each pixel, this technique has the effect of creating a green channel that records only the background, with the foreground appearing black, and red and blue channels that ...

(WHTM) — Emergency vehicles have a multitude of ways to get our attention, including flashing lights, horns and sirens. But why do police cars use red and blue lights? Why not red and purple ...