Researchers at University of Washington and Microsoft blended dried, powdered seaweed into cement, crafting concrete with 21% lower global warming impact—yet maintained structural strength. Guided by machine learning, they hit on this greener mix in just 28 days.
(c) Norikio Yamamoto

Seaweed-Powder Cement Cuts Carbon While Staying Tough and Strong

PHYS

Researchers at University of Washington and Microsoft blended dried, powdered seaweed into cement, crafting concrete with 21% lower global warming impact—yet maintained structural strength. Guided by machine learning, they hit on this greener mix in just 28 days.

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