Construction

Collecting solar energy via asphalt roads

By / September 10, 2008

Can asphalt roads and parking lots be used as a ubiquitous and inexpensive means for collecting and utilizing solar energy? Researchers at Massachusetts’ Worcester Polytechnic Institute say: Yes. Led by Rajib Mallick, associate professor of civil and environmental engineering, a WPI research team says it has found a way to use asphalt’s heat-absorbing properties as…

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Concrete solutions to pollution

By / September 5, 2008

Every year, concrete accounts for more than five percent of human-created, pollution-causing carbon dioxide emissions, reports Technology Review, an online news source published by MIT. Most of these emissions are created because cement – the active ingredient in concrete – requires limestone and clay powders to be baked at extremely high temperatures, usually generated by…

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