: how are fireworks able to produce specific patterns when it’s just mostly pyrotechnics?
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So you’ve seen someone do a trick shot on a pool table right? They hit the cue ball just right in order to hit the other balls with the exact right amount of force and at the correct angle to get the result they want. It’s impressive because they’re just doing it by look and feel.
If you had a machine that could place the balls down on the table in an exact configuration and accurately hit the cue ball with an exact force and angle, it could do that trick shot all day and get it right every time, and that wouldn’t be as amazing.
Fireworks are more like that. The folks who make them can calculate exactly how much charge is needed to send the parts an exact distance, and what angle things have to be to get them to go where they want. They can also select the materials that burn the desired colors. It’s all calculated, then the fireworks are made to those calculations
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