When Archimedes thought up his revolutionary water-pumping screw, little did he know that one day a group of high school students in Lyon, France would find a better use for his design. Their
Propul-Surf uses a pair of horizontally-mounted screws to push a snowboard through the snow when gravity doesn't provide enough momentum.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/x_977RPH2j4/a-self+propelled-snowboard-makes-going-uphill-just-as-fun
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