What’s Really Inside Your Fireworks? [VIDEO]

I think we all pretty much think that fireworks contain a bunch of paper and black powder wrapped together, but do you really know about how fireworks, well... work?

Fireworks are as synonymous with the Fourth of July as hot dog eating contests and backyard barbecues, but what makes the decorative flashes of light burn so bright?

The answer - a mix of charcoal, potassium nitrate, and sulfur, among many other ingredients. Check out this short but informative video on what makes your fireworks work.