Tomorrow is the Fourth of July, and here in the States we’re gearing up for a fun-filled day of barbeque, family, and blowing things up.
Before you start lighting off fireworks willy-nilly, learn what’s inside those fireworks and what makes them work with this article from Howstuffworks. Includes videos, internal diagrams, and there’s even a really cool section called the “Fireworks Field Guide”, an interactive widget where you can click on a fireworks name and see what aerial fireworks display goes with it.
Originally from Lifehacker