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srhanna
 USA
Modular power generation. Printer Friendly Version
This idea is based on very old tried and true principles of physics. Hydroelectric power has been around for a long time. The man who invented the modern world, Nicola Tesla, also invented a very novel turbine. Imagine the average home owner putting a large low slung water tank on top of their house. A 2 inch ID pipe descends 8 feet into a Tesla Turbine. The Tesla Turbine outlet goes into another tank. At the top of the upper tank is a sensor that turns the water valve to open. At a point lower is a sensor to turn the valve closed. Elevated water = energy. The Home owner invests enough money to trickle charge the system at first. A small pump powered by some solar cells will pump water back to the top tank. The generator will only run when the upper tank is full and turns off when there is insufficient water pressure. This won't run continuously at first but it will run a meter backwards enough times during the month to save a significant portion of money on electricity. The savings can be applied to more water pumping devices. I have a slew of ideas for those. Stirling engines powered by parabolic mirrors, bales of hay, the difference in temperature between ambient and 6 ft under, etc. Make the devices modular and readily addable. Over time, by adding pump modules to the system, the home owner will have continuous free power. Since this technology does not depend on expensive batteries or fuel cells it is cheap enough for most people to afford readily without loans. Because it is modular it is feasible to be done by most home owners in the developed world.
Reward: Continuous free power. What more can one ask for? Ok, I would like a job in the industry created. That would be great!
 

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31°

   
mpcohen
 USA
Toy for young child Printer Friendly Version
This is a fairly simple idea for children at an age when they appreciate rattles. The toy would have two parts: a cyllindrically spiral track about a foot long and an inch or two wide; and a moving piece that is also cyllindrically spiral that would fit over the track and be able to slide along it, rotating as it does so. The moving piece would slide down the track through gravity. The track could then be inverted to get the piece to move again. Various color patterns and noise making features could be added to create further interest.
Reward: Getting credit for the idea
 

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15°

   
Steve
 Austria
"Don't mess with me!" Certificate Printer Friendly Version
I'm one of those folks who are a true nightmare to businesses who try to cheat their customers. No matter what the issue, I always kick their *** until I get what I want (e.g. my money back).
It would be nice to get some sort of certificate for these achievements. Such a "Don't mess with me!" certificate would save everyone a lot of time. Typically, you have to deal with some arrogant manager who simply doesn't expect you to go all the way to enforce your right, and it takes some effort to convince him that he stands no chance. After some time it gets really boring. Now imagine that instead you could just pull out your "Don't mess with me!" Certificate - the other guy would say "Yikes!" and then do what he would do anyway in the end, only a whole lot faster!


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23°

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