Alan Kay: A powerful idea about teaching ideas
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Caption notes
Alan Kay builds acceleration from two executable steps: increase the speed, then increase distance by that speed. Children later measure displacements in equally spaced frames of a falling object and recognize the pattern they programmed.
Video or transcript source ↗Original passages · 2
of saying, "OK, I'm going to increase the speed by two each time, and then I'm going to increase the distance by the speed each time?So what I'm doing is measuring from the bottom of one image to the bottom of the next image, about a fifth of a second later,