RALEIGH, N.C. (WNCN) — A CBS 17 viewer reached out, concerned that too many drivers are using amber colored flashing lights ...

Ponder the red-backed poison frog. In nature, red can issue a warning to predators — stay away, the aposematic message reads. On the road, red can be a warning of its own, often flashing on emergency ...

Q: A while back while traveling on Interstate 90 out of Wisconsin, a red truck with flashing strobe lights came up behind us. The lights were in the grill, not on the roof and I don’t recall the color ...

Light effects have always been popular. Now that LEDs are available in all sorts of shapes, sizes and colours for reasonable prices, a whole gamut of possibilities has become feasible. Examples are ...