Drop 262,144 Grains of Sand on One Square and It Draws a Fractal ⏳ One square, one rule, 262,144 grains of sand. And a pattern nobody can fully explain. This is the abelian sandpile, introduced by physicists Per Bak, Chao Tang and Kurt Wiesenfeld in 1987. The rules are simple: ⏳ Drop grains of sand, one at a time, on the same square. 💥 Any square with 4 grains topples, giving one grain to each of its 4 neighbours. Each topple can trigger another, creating an avalanche. The first grains are easy
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Drop 262,144 Grains of Sand on One Square and It Draws a Fractal ⏳ One square, one rule, 262,144 grains of sand. And a pattern nobody can fully explain. This is the abelian sandpile, introduced by physicists Per Bak, Chao Tang and Kurt Wiesenfeld in 1987. The rules are simple: ⏳ Drop grains of sand, one at a time, on the same square. 💥 Any square with 4 grains topples, giving one grain to each of its 4 neighbours. Each topple can trigger another, creating an avalanche. The first grains are easy
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