A revolutionary—and greener—material could have buildings rising from the ashes
ASH USUALLY CONJURES IMAGES of destruction, not construction. But a new plan might change that. By mixing volcanic ash with concrete, a team of international scientists created a material that can be used for the construction of buildings. Best of all, it’s a greener alternative to concrete.
The production of traditional concrete accounts for about 5 percent of the world’s carbon dioxide emissions, mostly because of the heat required to manufacture it. “It’s a very high- energy, intensive process,” says Kunal Kupwade-Patil, who researches building materials at the Massachusetts Institute of Technology. Volcanic rock, by contrast, requires few resources. “Collect the volcanic rock, grind it into ash—that’s it.”
Diese Geschichte stammt aus der March 16,2018-Ausgabe von Newsweek.
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Diese Geschichte stammt aus der March 16,2018-Ausgabe von Newsweek.
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