Speaking of see-through. Has anyone ever seen two-way glass that allows bidirectional observation within proximity of it's surface but diminishes with distance of either observer or view-field depth? It was used in a pair of bathrooms (men's and women's) for the washbasin "mirror" at a restaurant or nightclub on or near 6th Street ATX about 2004. It allowed washroom patrons to see each other in the other bathroom, bu…
Is anyone aware of any such thing?