Happy 4th of July to all my US readers! In honor of this holiday, I have embedded a video showing how fireworks are made. While setting off fireworks is not actually a sport, it is still exciting and pretty extreme. Interestingly, to create these impressive pyrotechnics, makers use a shockingly low-tech process. Precision quality control? Not exactly. Link to video: http://youtu.be/3mlrjrLUpyg
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