Smithsonian World (1991)

Run Time - 60 min.  |   Countries - United States   |  
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Smithsonian World: Time and Light is an educational video that investigates the complex activity of time and light. Observing nature close-up, the program uses a discussion of the evolution of the sea urchin, and the natural "alarm clock" found inside bamboo to explore the function of time and light. Viewers will learn about both physics and biology.