A clear view of hydrogel (IMAGE)

Princeton University, Engineering School

A clear view of hydrogel

Caption

Princeton researchers used borosilicate glass beads as a substitute for soil to study the behavior of hydrogels acting as water reservoirs in farm fields. The researchers used an additive to correct for distortion from the beads allowing them to clearly observe the hydrogel. Photo by Datta et al/Princeton University

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Datta et al/Princeton University

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