Mr. Wizard's World
Paper Movie Machines, Dolphin Language, Heat Expansion, Petrified Forest, Mobile Challenge and more
TV-G
S3 • E10 Jul 21, 1986 25mPaper Movie Machines, Dolphin Language, Heat Expansion, Rope on Wrist, Petrified Forest, Paper Tear, Killdeer Act, Mobile Challenge. Bibi watches Mr. Wizard swing a light in a circle to produce a streak of light. He explains that the so-called persistence of vision is the reason motion pictures create the illusion of movement.
