Switchable windows adapt the liquid crystal technology used in digital watch displays and computer screens to both residential and commercial architectural use. Viracon Privacy glass, made with 3M privacy film, can turn a normal window from a "clear" or transparent state into a "frosted" or translucent state with the flip of a switch!
Origin
Viracon
Journal Title
Glass Researcher 5 1 1995 8-9
Sector
Flat glass
Class
F 498