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 ...

You can find these color-changing salts in many ... let's discover the three different methods for creating our colorful ...