Using jeans to purify the air.

There are more jeans in the world than people. That sparked an idea in the mind of University of Sheffield chemist Tony Ryan. Why not use people’s penchant for wearing denim to help purify the air? With thoughts of reducing pollutants such as the nitrogen oxides and volatile organic compounds emitted by vehicles, power plants, residential heating, cooking and various consumer products, Ryan, in partnership with former fashion designer Helen Storey, came up with the concept of “Catalytic Clothing...
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SlingShot: Quest to solve the world’s safe water crisis.

Kamen's SlingShot (so-named after the Biblical David & Goliath story) device is an energy-efficient "vapor compression distiller," and one possible answer to the safe water crisis. The SlingShot is designed to take virtually any unfit source of water, such as contaminated well water or seawater, and turn it into clean water, without requiring a filter (which regularly need to be replaced) or using any chemical additives (which have to be purchased). The device does use combustible fuel to po...
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