Play with a fantastic swarm simulator

Mark Allen Thornton, a PhD candidate at Harvard's Social Cognitive and Affective Neuroscience Lab built this wonderfully addictive Interactive Simulation of Collective Animal Behavior in Swarms/Flocks. You can tweak everything from the number of swarmers to distance between them to the randomness of their movement.

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Brainless bots exhibit swarming

Harvard University researchers show how simple, brainless "bristle-bots" exhibit swarming behavior when contained in a small area.