In this series, you'll be asked to create brief videos (1 min or less!) answering questions about or defining new terminology that you've been exposed to during that week's (or a previous week's)assignments. In the spirit of driving towards simplicity and practicality, you'll want to focus less on textbook definitions and fancy-sounding terminology, and more on explanations that a 5th grader would understand and that will help you think about engineering - and it's connection to the larger world of real people that aren't engineers - in a simple, straightforward way. Part 2:

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