One of the world’s favorite holiday traditions has a long history. Fireworks started in ancient China where people used explosives because they were believed to ward away evil spirits. From their beginnings as simple noise makers to the dazzling aerial displays that light up our night skies today, fireworks have relied on chemistry to create the sounds and colors that provide excitement and enjoyment. Listen to hear a chemist explain the history and science behind a worldwide celebratory tradition.
Story Length: 4:02
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