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Welcome to my homepage!
What is a model?
A model is an idealized, simplified representation of a section of the world around us. It can simplify a physical, biological or sociological phenomenon (process, action, interaction, etc.). For example, our understanding of the Solar System is a model, and so is our understanding of atoms and molecules. We know the human body and its internal workings through a model. Our understanding of what a country is, who it serves, and how it is governed is yet another model. On a more basic level, each word or concept is a model corresponding to something in the physical world or the world of ideas. On a more basic level, our brain has models about what motion is, what light is, what depth is, and so on.