66 results found displaying 31-33
    
Patricia M. Zirin
 USA
Recycling Momma! Printer Friendly Version
We are the richest nation in the world. Even in the poorest neighborhoods routinely people (and mainly women/mothers) discard clothing. This is as a result of cleaning out a closet or a child's dresser due to that child outgrowing their clothes. More often then not the lot of clothes is clean and in good repair. After all, it is coming straight from a closet or dresser. In stead of taking these things to a thrift store or shelter usually we are too busy so we just throw it away. The idea is to have people label these bags...red for women's clothes, blue for men's clothes, pink for girl and powder blue for boy--trite but effective. The trash bag with these clothes could be placed on the curb the day before trash pick up. If anyone can use them, they are free to pick up the entire bag. They can then take what they like, pass on the rest, take it to a thrift store or shelter or discard same.
Rules would be simple: Bags would have a size written in appropriate color. Bags put out for the recycle would contain only clean clothes in good repair. Pick up would be allowed only during day light hours. Pick up would not be allowed for picking through clothes on the street. The landfills would get a break and we would be passing on and sharing a huge resource. Our interdependence would be supported. This would require a grassroots effort. Note: even if these bags were regularly picked up by people using them to make a profit, it would be better served then going into the ground.
Reward: The knowing that the program is working. Please email me with ideas of how to make it work in your community. mailto:patriciazirin@comcast.net 

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AaronBurns
 USA
Colored Flames for Cigarette Lighters Printer Friendly Version
Imagine something besides the same boring lighter colored flame of blue tipped with some yellow. Since all fireworks come in all colors, then we are able to add all or some of the colors of choice from metallic compounds in a flexible metal strip loaded into a roll, and would come up with the rolling of the wheel on all lighters and change the color of the flame and burn up with it.
You might imagine adding colors to all lightables such as matches or just about any flame or flamable. It would take very little flame and could be a rainbow of your choice of color or color combinations depending on the burnable metallic compound or compounds used.
Reward: A multi-colored lighter and fun for every one! 

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socratesOne
 USA
3D Printing on large scale with Cob Printer Friendly Version
Cob is a natural building material made of sand (or sand-rich soil), clay (or clay-rich soil), water, and straw. It is traditionally used by mixing the ingredients with your feet, forming it into small oblong balls about 2 liters in volume, and pressing it against other cob balls to form structures such as walls.
3D printing is an additive manufacturing process whereby an object is built one layer at a time, automatically, much like the way a printer prints an image on a page.
My idea is to use existing technology to automate the process of building cob structures.
To do this, the envision a tri-pole, large scale 3D printer consisting of a machine roughly the size of a car (which may or may not be "driven" by an individual or a computer program), and containing a "print head" the size of consumer multi-color laser printer.
The "print head" is a chamber made primarily of two perpendicular metal plates to serve as the guides for each wall (thickness of the walls would be the distance between the plates), a feeder which adds new cob to the chamber, and piston which packs the cob into the chamber.
The head would be attached to a machine that has the ability to gather materials from the local environment, or from pre-made piles of sand, clay, and straw. The exact details of automating the process of combining each is an engineering challenge yet to be solved.
The machine would mix the cob, form it into blocks, add it to the queue, and move the head in high precision. The car-sized machine itself will be moved in low precision by three cables that reach up to the tops of three poles approximately 30-40 ft in the air and 30-40 feet apart from each other (telephone polls may be used), the exact dimensions giving the total range of the size of the constructed building.
Reward: A house built in the "earthship" style (passive solar heating, off grid power and water, etc...), made with the device. 

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