63 results found displaying 10-12
    
John Charles Thomas
 USA
Ecological TV Printer Friendly Version
There are many reasons that people pollute so badly but one is sure just lack of perception. Your garbage seems simply to disappear. So, here's the deal. Inside every TV is a mandatory chip that displays an image of the garbage that you produce. At first, it obscures a small part of your TV screen, but over time, more and more is obscured. If you produce less garbage, the TV becomes obscured less quickly. To reduce the garbage, you may perform certain acts such as planting a tree. You plant a tree, and a signal is sent that reduces your garbage image proportion.
Reward: Gee, I dunno. A habitable planet for my grandchildren might just about do it for me. 

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61°

    
rcwlee
 Australia
Anti-smoking perfume Printer Friendly Version
The problem to be solved: There are a lot of places where people are supposed not to smoke, e.g. public transportation, McDonalds, cinemas, shopping malls, public toilets, etc. However, there are always smokers they are nuts and do not respect other people's right at all. They simply ignore the rules and keep smoking. For the time being, there is not much we (people don't like passive smoking or don't like the smell) can do. These few culprits smokers can also cause a lot of damages, e.g. fire.
The solution: Can some big chemical manufacturers invent some anti-smoke perfume which can be spread publicly. The perfume is as fragrant as other French perfume and does not cause harm to anyone. However, if anyone tries to smoke under the perfumed environment, the chemical will simply react with the dust and narcotine and cause the smoker nausea and unwell and force the smoker to stop smoking immediately. I think it is a great idea and is totally commercially viable because I am sure a lot of the airlines companies, shopping malls management, cinema operators etc. will buy this anti-smoking perfume.
Reward: More fresh air and more mutual respect 

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59°

    
TarjeBargheer
 Denmark
Watermills in rain pipes Printer Friendly Version
I moved to the city a couple of years ago, and have noticed how clean the roofs always are. No leafs get up there. Further, from every roof there runs a pipe all the way along the edges of the roof, and to the ground in order to make the rain that ends on the roof go to the ground without pouring down on the windows.
My idea is simply to put a little mill inside the pipes that go from the roof to the ground, the mill should run a simple generator in order to produce power. - Since the roofs are always clean in the city, the problem of dirt accumulating in the mill is not an issue.
It wouldn't be much of an extra cost to produce such pipes, since both the generator and the mill are easily made out of few raw-materials (plastic for the mill, and some copper and magnets for the generator).
There is quite a lot of square meters of roof in a city, and if these pipes were installed as a replacement of the old ones when the roof should be renewed anyway, it would propably accumlulate a neat amount of energy (although not nearly as much as a dam!).
Reward: A sample of the product? 

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59°

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