Princeton Smart Window (VIDEO)

Princeton University, Engineering School

Caption

A piece of the glass, which is shown in the video, harvests one portion of the light spectrum to control other parts of the spectrum. Specifically, it uses near-ultraviolet light to generate electricity, which powers chemical reactions that lighten or darken the glass as needed. When darkened, the window can block more than 80 percent of light.

Credit

Princeton University

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non-commercial use

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