Researching alternative energy technology and a reduction in the carbon footprint of buildings, I came across a site offering an "open source" wind turbine by Applied Sciences. Not only open source (available to all ) but based on an invention, the zoetrope, created in China around 180AD.
Wikipedia describes a zoetrope as:
"a device that produces the illusion of motion from a rapid succession of static pictures. The term zoetrope is from the Greek words ζωή (zoe), meaning "alive, active", and τροπή (trope), meaning "turn", with "zoetrope" taken to mean "active turn" or "wheel of life".
The zoetrope consists of a cylinder with slits cut vertically in the sides. On the inner surface of the cylinder is a band with images from a set of sequenced pictures. As the cylinder spins, the user looks through the slits at the pictures across. The scanning of the slits keeps the pictures from simply blurring together, and the user sees a rapid succession of images, producing the illusion of motion."
The VAWT or Vertical-Axis Wind Turbine is based on this ancient invention. Download the construction guide, dot it yourself, reduce your carbon footprint and become part of the self sustainable revolution.
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