Coffee grounds offer performance boost for concrete

Engineers in Australia have found a way of making stronger concrete with roasted used-coffee grounds, to give the drink-additive a "double shot" at life and reduce waste going to landfills.

Energy & Green Tech

Math allows hydrogen blend in natural gas pipelines

Mathematical modeling can show how to safely blend hydrogen with carbon dioxide for transport in existing pipeline systems. A secure and reliable transition to hydrogen is one of the proposed solutions for the shift to a ...

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