Northwestern and Cemex team up to harness electricity and CO2 to grow sand-like materials in seawater.
The resulting substances are flakier and more porous or denser and harder.
Calcium carbonate directly acts as a carbon sink, while magnesium hydroxide sequesters carbon through further interactions with CO2.
The material if used to replace sand or powder would not weaken the strength of concrete or cement.
A customized collection of grant news from foundations and the federal government from around the Web.
The 2013 Clinton Global Initiative challenges student teams to create a social enterprise that will surpassingly increase food security for urban slums by 2018.