Geographers know the lay of the land but economists do it with models, as the witticism goes.
It takes quite a bit of training to appreciate the utility of models, and how and why they are indispensable in explaining the artificial world we live in.
Many of us are familiar with models from our childhood. As a kid, I used to build model airplanes from hobby kits. Not just as hobbies, model airplanes are extensively used and tested in wind tunnels to design the real thing even in this age of sophisticated computer modeling.
Very complex systems are simulated on computers as models. Weather forecasting relies on running huge models with billions of data points on supercomputers. Climate models attempt to predict what the climate may be like in coming years and decades. Continue reading “Models”
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