271 results found displaying 40-42
    
crazykev
 USA
Power Generator Printer Friendly Version
So your battery died and no one is around to help you jump start your car? How about a generator you crank for 10 minutes of power? You might be cranking the thing for 5 minutes at like 30 Revolutions per minute, but hey, it beats being stuck on the side of the road with no a/c or heat.
Reward: a free car that has this installed! 

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Walter Müller
 Germany
Efficient Take Off and Landing for Airplanes Printer Friendly Version
The start of an airplane consumes a lot of energy and is very stressful to the tires. An airplane could be started (and landed) sitting on a magnetic driven carrier which is accelerated by a linear motor installed in the runway. This method will save fuel, tires and reduces noise at airfields dramatically.
Reward: A cleaner air for my planet. 

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Steve
 Austria
Emergency Deo Spray for Public Transport Printer Friendly Version
It's the disgusting side of summer: You get into a tram on a hot day, and the air is filled with the smell of old sweat. Wisely, the constructors of trams have mounted the bars to hold on to well above your head (I think it's like that in every country) to ensure that there will always be a fresh supply of stale smells. This way, everybody can point their spelly armpits directly at your face (and nose).
I propose that there should be a mandatory deo spray in every car. This way, everybody can exert his right of self defense and do his neighbor a favor at the same time.
The emergeny deo spray could be mounted right between the emergeny brake and the fire extinguisher.

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