Sandpile Automaton
Click to drop sand
Drop rate:
10
/frame
Grid size:
100
Reset grid
Add 10k grains
Grains: 0
Avalanche: 0
Abelian sandpile model — grains topple when a cell reaches 4, spreading to neighbors. Scale-free avalanches emerge — self-organized criticality (Bak-Tang-Wiesenfeld 1987).