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Scientists figure out how to create affordable smart windows

from Engadget

Imagine having the power to tweak your windows' opacity depending on the weather. That's one application a group of MIT scientists believe they've made possible by conjuring up an equation that can predict how light goes through a rubber-like polymer structure. The rubbery material they used called polydimethylsiloxane has dark regions when at rest but gets more and more transparent as you stretch it. One of the researchers, Francisco López Jiménez, says the decision to undertake the project was a happy accident. "We were just playing with the material, and we soon got interested in how we can predict this and get the numbers right." more


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