Needless to say, Dad and I are having an in-depth discussion about the chemistry and physics of fireworks, including the materials that they use to generate various colors.
God bless the internet.
For the record, Dad was wrong about what they use to make blue fireworks (he claimed Borax, while the answer is copper compounds.) I was wrong about green; I said chromium, actual answer is barium. And yes, if you are still reading this, you are also a dork.
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