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October 31 2009

kateoplis: Inventor and early National Geographic Society President Alexander Graham Bell created this tetrahedral truss kite, designed with three-dimensional triangles that could support considerable weight, in order to study aerodynamic design before attempting to build airplanes. (via NG)

kateoplis:

Inventor and early National Geographic Society President Alexander Graham Bell created this tetrahedral truss kite, designed with three-dimensional triangles that could support considerable weight, in order to study aerodynamic design before attempting to build airplanes. (via NG)

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