Xu and Guillomaitre holding solar gel (IMAGE)

Princeton University, Engineering School

Xu and Guillomaitre holding solar gel

Caption

Researchers Néhémie Guillomaitre and Xiaohui Xu hold a sample of the solar absorber gel, which acts like a sponge to soak up clean water and filter out contaminants.

Credit

Bumper DeJesus/Princeton University

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