As I was preparing for our discussion this afternoon, I came across these two videos (each is about 6 minutes long) that illustrate some of the ideas in chapter 5. Enjoy!

Part 1
Part 2
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As I was preparing for our discussion this afternoon, I came across these two videos (each is about 6 minutes long) that illustrate some of the ideas in chapter 5. Enjoy!
Part 1
Part 2