118 I am reviewing projectile material with my conceptual classes, and for fun I pulled out this old VHS recording of a Paul Hewitt lecture. The first half of the lecture is pretty good, and the kids are happy with how much they understand. We have fun playing along with “ask your neighbor” and “what’s the answer? It starts with ‘t’…” and the kids are amazed that it is a college-level class. Then there is a long bit where he goes on and on about how to impress an attractive young person at a church picnic by determining the height of a cliff from how long it takes a stone to hit the water. At the end, there is another good bit where Hewitt talks about orbits. I wish it were as easy to edit VHS as it is to edit digital video!



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