It's easy to take fire hydrants for granted and assume that they're all the same. But there's a code that dictates the colors ...

Red, yellow, violet— fire hydrants come in many different colors. But it's not for decoration. These colors have an important meaning that could just save your life one day. Following is a ...

The colors of a flame are caused by bits of wax molecules that didn’t get completely reacted. These glow a certain color when they get to be a certain temperature. Since different parts of the flame ...

Different elements create different colors. For example, sodium carbonate produces a bright yellow flame, whereas sodium ...