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Concrete’s future looks lighter, greener
Concrete is probably used more widely than any other substance except water, yet it remains largely unappreciated.
"Some people view the 20th century as the atomic age, the space age, the computer age – but an argument can be made that it was the concrete age," says Hendrik van Oss, a cement specialist with the United States Geological Survey. "It’s a miracle material."
Indeed, more than a ton of concrete is produced each year for every man, woman, and child on Earth. Yet concrete is generally ignored outside the engineering world, a victim of its own ubiquity and the industry’s conservative pace of development.
Now, thanks to environmental pressures and entrepreneurial innovation, a new generation of concretes is emerging. This high-tech, Willy Wonka-esque assortment of concrete confections promises to be stronger, lighter, and more environmentally friendly than ever before.
By Brandon Keim | Contributor to The Christian Science Monitor
Full Story: http://www.csmonitor.com/2005/0915/p16s01-stss.html?s=hns
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