Calera cement, funded by Vinod Khosla, which would take CO2 from the air to make cement and
contour crafting which is a technology for printing buildings to speed up construction by 100 times
could be used to build new cities, dams, wind turbines and airports and many other useful cement construction as productive carbon sequestering. It would be possible ...
Posted by R. Dows on Jul 20, 2008
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