Java has upgraded its security, so for some PC browsers, you will need to take steps to run our Playground's Netlogo models (Java applets), such as
1) update Java to the most recent release (you may have already does that step)
2) add our site to the Java exceptions list. Instructions for doing this are here: https://www.java.com/en/download/help/java_blocked.xml The quick summary:
(Very slightly modified from Wilensky, U. (1998). NetLogo Flocking model. http://ccl.northwestern.edu/netlogo/models/Flocking. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL.)
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Back to the Flocking Page
Diffusion: Heterogeneous mixtures
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Coordination without a leader:
Exploring a model of flocking behavior
Paul Grobstein and Laura Cyckowski
Is the front bird a leader? | Is there a leader at all? | Coordination as an emergent property of a distributed system | What's actually going on in the flocking model? | And in general .... ?
Evolution as Reproduction with Variability
Narrative is determined not by a desire to narrate but by a desire to exchange. (Roland Barthes, S/Z)