If you buy a pair of whitewall or white-lettered tires, you might be surprised to see that the parts that should be white are ...

seeing blue lights on a car meant the police wanted our attention. Nowadays, some regular cars have headlights that seem to glow with a blue tint. Newer LED headlights glow brighter than older ...

because sunlight has a blue tint — while the right answer is often thoroughly overlooked. In truth, the reason the sky is blue is because of three simple factors put together: that sunlight is ...