Finish the moving picture wheel. It can be anything, even something as simple as a ball bouncing, or as fun as a face changing expressions.
Try it out (can be put on a chenille stem/pipe cleaner or metal wire wound on a pencil). Take a photo and post by commenting here.
Explain “persistence of vision” in a few sentences.
Your eyes remember what you saw for 1/30 seconds. It helps you see things in connected action.
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