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Curious
 
92%
The solar-powered watercraft will not only cost much less than the traditional water craft--it will also help save a life. The solar-powered watercraft will be a design combination of a ski, surfboard and catamaran. Realizing how difficult it is to tow a body in the water, I suggest creating the solar, electric motor-powered paddleboard as way to speed water rescues. The watercraft central platform will make it easy to slide a body on board, and the V-shaped catamaran hull will...
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Patrik
 
92%
04/26/2012
The idea is to design designed cargo ships with retractable sails, which could eventually help to cut fuel use by up to 30 percent. The tall, narrow sails, measuring 64 feet wide by 164 feet tall, would be constructed from tubes of strong, lightweight aluminum and a fiber-reinforced plastic. Reacting independently and automatically, they would be able to harness the winds along the optimum route, even taking advantage of difficult crosswinds. Taking the load off the ship's...
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Jared
 
92%
08/09/2011
Why not create a canoe which can be folded to fit in a backpack and weighs a little. The single passenger canoe will be made of a carbon fiber frame and a hull made of the same material as that used in racing sails. Locking mechanisms will secure the telescoping framework poles at bow and stern and a center folding mechanism will hold the boat firm in the middle. Such a canoe could be useful for forestry workers and hikers.
Picture
Harry
 
93%
02/10/2011
It is known that a basking shark feeds by swimming with its mouth open. The shape of the shark's body plays an important role in its efficiency as a feeder. A pressure differential is created as the shark swims, resulting in lower pressure along the shark's top and helping to draw water out of the shark's gills in a way that allows it to rely on the passive flow of water to feed. Why not design a turbine with the shark's design in mind? Water enters through the first turbine while...
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