359 results found displaying 34-36
    
afshin
 Iran
Illuminated wall-paper Printer Friendly Version
A special kind of paper could be made to produce appropriate light when connected to low voltage electricity (6 volts). This kind of paper could be used to cover the walls (wall-paper) of apartments , especially places where there is not enough light.
Reward: one for my self 

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a brietzke
 Canada
Rubber band car Printer Friendly Version
As I am interested in any green energy concepts, I am pleased with current developments in hybrid vehicles. I would like to see the hybrid concept grow to include several different energy sources feeding power to one electric engine. This may sound goofy, but one idea I have is to use giant rubber bands as a sort of mechanical battery that could spin a generator that would feed the electric engine of a car. The bands would run beneath the car in long plastic tubes and could be wound with something like a power drill and a system of gears. Current electric cars are handicapped by the size a chemical battery can grow and still be safe and light. This would allow more potential energy to be safely stored and improve milage. While driving, if the battery power dropped to half or so, the rubber bands would be turned on and begin to restore power. If this sounds loopy, keep in mind that a one person glider was recently made that can fly up to two kilometers using a giant rubber band. The best part is that the extra weight is relatively minimal compared to metal parts.
Reward: A free car would be nice, but just making it would be fine! 

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marshakenny
 USA
"Kids are not as smart as parents!"-Toothpaste Printer Friendly Version
I would like to invent a toothpaste that is flavorable yet cleans your teeth. The deal is this toothpaste will turn a kids teeth brown if he/she smokes a cigarrette, turns green if he/she smokes marajuana, and turns bright yellow if he/she drinks. This would embarrass a teen so much that he/she would not think about doing any of those mentioned above again. The teen wouldn't know what made his/her teeth turn the colors and the only way to get the original color back was to brush his/her teeth with the same named toothpaste but not the kind with the ingredients that make the teeth change colors. Parents would know what their teens were doing behind their back.
Reward: If anyone shall use this product and sell it I would like to get 2 tubes a year for the rest of my life for free. 

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