Threshold-based contagion on a network. A node becomes active when enough of its neighbors are. Click nodes to seed the cascade. Watch failures, ideas, or infections spread.
0.25
60
5
Active: 0 / 0 · Cascade fraction: 0%
SusceptibleActive / infectedJust activated
Watts 2002 threshold model — "A Simple Model of Global Cascades on Random Networks". Global cascades require both a vulnerable cluster and a seed that reaches it.