If you’ve ever been to a July 4th celebration, you’ve seen the different bangs and pops of fireworks as they light up the night sky. But, if you’re a giant nerd, you want to get all up in those fireworks and see how they do it. Unsurprisingly, some of the chemicals used to produce such vibrant colors are also used for medicine, seasoning your food and hardening steel. But, it’s when these chemicals are pushed to the outer limits of their potential that the cool stuff happens. So let’s delve into some sweet science.