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Researchers from Singapore have come up with a funny idea: a smart window. It is said to be “liquid” and allows the sun’s rays to be filtered, in order to capture or release heat as needed. “This is the first smart liquid window. They say she’s smart, because in summer she’ll automatically turn off the light, and in winter she’ll let in light to warm the house “, assures Long Yi, lecturer.
A window designed with hydrogel
The liquid inside the window is a hydrogel composition, which has the particularity of becoming opaque when heated, and transparent when it is at a sufficiently low temperature. In buildings, windows are the weak point when it comes to saving energy. “We lose about 20% of the total energy through windows. This is why we must implement this technology very quickly, because we believe that it can help reduce global warming “, details Long Yi.