Fireworks: Make them at home, kids! Or, how do they work? - Episode 6

We've all sat around on the 4th of July, or some other celebration, and watched the amazing fireworks displays. But do you know how they make the different shapes, colors and sounds? We do. Because we're smarter than you. Or because we have Google. Give this a listen and be able to impress your friends with some useless knowledge next time you see fireworks.