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DaisyWorld was invented to explain how the Gaia Hypothesis did not require a sentient Earth, but only feedback loops. 3d DaisyBall is our custom variant, with multiple sites around a sphere. Different lattitudes receive different solar input, with daisy color showing the dominant daisy species at each site. This simulator provides both the classic DaisyWorld and custom DaisyBall logic.

Now rewritten for the Flash player (originally written in 1997 as a Java applet.) Our vintage DaisyWorld implementation was selected by the 1999 Leadership Program for Teachers: Environmental Science Institute, Princeton: "After reviewing over a dozen sites dealing with Daisyworld, we think yours is the most useful in terms of suggesting to k-12 teachers a starting point to learn about the model." Of all my applets, for some reason this one is the most often requested by instructors around the world.

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