Exploring Emergence

In this essay, we will explore the idea of emergence. We will examine how objects and patterns can arise from simple interactions in ways that are surprising and counter-intuitive. We will present examples with simple squares that turn on and off, but the underlying ideas will provide you with a new perspective for thinking about many phenomena in the everyday world. —Resnick and SilvermanExploring Emergence (Life-Long Kindergarten — MIT)

An interesting series of short web pages, each with a JavaScript box that demonstrates a concept from Life (a game in which a set of simple rules turns on and off blocks on the screen). Created in 1996.