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IPT2018-Problem7- Half-Life Sparkles (Ecole Polytechnique, France)

Goh, Fang; Brochet, Clément; André, Julie; Barral, Amaury; Guillen, Anthony; Louis, Quentin

IPT2018 Problem 7 Half-Life Sparkles Ecole Polytechnique: Sparks caused by an angle grinder tend to fly over a certain distance and then to split into several smaller sparks. What causes them to split? What is the condition for a split to occur? What influences the distance before the split? What will be the distance distribution of the sparks to fly?

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