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Dimming sunroofs contain tiny pigment molecules that can align in a certain way when electricity passes through them. The smart glass film consists of a silicone layer embedded with tiny clusters of herapathite crystals suspended in liquid. A conductive coating is added to the film, which is then laminated between two panes of glass. This offers additional noise reduction. When electricity is applied, these molecules line up in a fashion such that light passes through the gaps and they appear transparent. By varying the amount of electricity, the degree of dimming can be adjusted.


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