Rural Americans and Africans have something in common: a shared love of the homestead-sized energy-generating wind turbine. While we grab them from the hardware store, however, these four brothers ...
Miniature models of cars and trains are actually moving, but internal mechanisms are often different from real ones. Wooden miniature model "UGEARS"Has almost the same structure as the real thing, it ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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