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The Rain Barrel

Gene Bellinger
Rain Barrel ModelThe purpose of this model is to have the user change the value of stocks, flows and converters to experience a variety of different graphical results. Understanding this generic model is important pre-requisite to learning about intravenous drugs in the body, radioactivity, self-esteem, water flowing from a drain and many other basic natural systems.

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Udemy CIwIM SwIM BCTD

  • 2 months 3 weeks ago

Climate Stabilization Task

Gene Bellinger
The model starts in 1900. In the year 2000 you get the chance to set a new emission target and nominal time to reach it. Your aim is to have atmospheric CO2 stabilize at about 400 ppmv in 2100.  From Sterman, John D. (2008)  Risk Communication on Climate:  Mental Models and Mass Balance.  Science 322 (24 October): 532-533.
If you find these contributions meaningful your sponsorship would be greatly appreciated.

Udemy CIwIM SwIM BCTD

  • 2 months 3 weeks ago

Infinite drinkers

Gene Bellinger
An infinite number of mathematicians walk into a bar. The first one tells the bartender he wants a beer. The second one says he wants half a beer. The third one says he wants a fourth of a beer. The bartender puts two beers on the bar and says “You guys need to learn your limits.” From http://wildaboutmath.com/2011/09/22/609/
If you find these contributions meaningful your sponsorship would be greatly appreciated.

Udemy SwIM BCTD

  • 2 months 3 weeks ago

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