Want to give any windows or other glass panels in and around your home a complete transformation for next to nothing? You’ve got to check out the Coavas Self-Adhering Frosted Glass Window Film.

and switchable window film, all of which describe its ability to shift from transparent to opaque and back again. Unlike smart glass, which integrates this technology during the manufacturing ...

Rather than replacing an entire window to get the effect ... or lighting and conserve energy as a result. In opaque mode, the film is also solid enough to act as a projector screen for a home ...

Basically the new E Ink JustTint film allows clear panes of glass to turn opaque or semi-opaque ... skylight, or window. Like other E Ink displays technologies, JustTint is bi-stable.