The Secret of Trees 2013    star_border 5
13-year-old inventor Aidan has discovered that trees use a mathematical formula to gather sunlight in crowded forests. Now he wonders why we don't collect solar energy the same way.

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Inside Pop: The Rock Revolution 1967
Documentary about young pop and rock musicians producing music as "a symptom and generator" of social unrest and generation gaps.

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A Is for Atom 1953    star_border 7.1
General Electric sponsors this explanation of atomic energy, detailing some of its uses besides the bomb. Using animation and an off-screen narrator, the film describes the atom, elements and isotopes, the discovery of transmutation, experiments in artificial transmutation, and the reasons for the power of nuclear fission. The film argues that now, besides war, the atomic age holds promise for energy, farming, medicine, and research. The promise of the atomic age will depend on human wisdom.

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Pipeline to the Clouds 1951
Short film demonstrating water usage in all parts of American life and what steps can be taken to protect America's water supply.

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The Story of Alternating Current Arc Welding 1944
Demonstrates the differences between alternating current and direct current arc welding processes, and in particular the finer control available with AC machines at the time.

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