In this lecture, we present a historical overview of computational science. We describe modeling and simulation as forms of "theoretical experiments" and "experimental theory". We also discuss nanoscience: "what makes nano nano?", as well as public perceptions of nanoscience and the "grey goo" phenomenon. Finally, we describe the process of setting up a computer experiment: choosing your model, making relevant assumptions, and interpreting your resutls.

Researchers should cite this work as follows:

• Jeffrey C Grossman, Elif Ertekin (2008), "Computational Nanoscience, Lecture 1: Introduction to Computational Nanoscience," https://nanohub.org/resources/4045.

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1. computational science/engineering