Add Yahoo as a preferred source to see more of our stories on Google. Colors, sparks, booms and whistles all require different pyrotechnic recipes. chensiyuan/WikimediaCommons, CC BY-SA For many ...

As you ooh and aah at the dazzling explosions of a fireworks display, there are three things going on that you probably wouldn’t guess: The chemists who made those pyrotechnics designed most of them ...

For many people around the world, the very first moments of the new year will be filled with the sounds and colorful light shows of fireworks. From loud bangs to long whistles, bright reds to pale ...