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New Window to Change Color with Weather
07th April, 2015
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eather could power the next generation of smart windows. Researchers have created glass that tints by harvesting energy from wind and precipitation. The approach offers an alternative to other smart windows powered by batteries, solar panels, and even standard power outlets.
“The innovation … represents a new kind of renewable energy source,” says Liming Dai, a nanomaterials engineer at Case Western Reserve University in Cleveland, Ohio, who was not involved in the research.
Smart glass, which changes its properties to block out light or heat, has been around for decades. Common examples include glare-fighting rearview car mirrors and windows that change color for energy savings and privacy. But many are expensive, and people are still looking for eco-friendly ways to power the windows. Batteries and plug-in outlets aren’t ostensibly “green,” whereas embedded solar panels can cloud or obscure segments of the glass. |
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