When most of us think "fireworks," we think of brilliant bursts ... firework manufacturers use mixtures of perchlorate, a different kind of explosive than black powder. As the firework ascends ...

Are you allowed to set them off? What kinds of fireworks can you legally purchase? It’s a state-by-state mess that nobody seems to understand. For the most part, the purchase and use of ...

One address on shipping documents in a seizure at Honolulu Harbor is the first in a chain of clues that lead across the ...

Give examples from the article of physical and chemical changes. What aspects of fireworks relate to gas laws? What kind of chemical reaction produces the explosion? How are the colors of fireworks ...