If you want to scientifically impress your friends tomorrow (or look like a hoity toity smartypants), you can tell them what the color of fireworks really mean. See that explosion of electric white? That's white-hot metal flakes. Gorgeous red array? Strontium Carbonate. It's all about the chemicals, baby.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/n-mPOvOV7d4/where-the-different-colors-of-fireworks-actually-come-from
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