I have seen in some shows and magazines, glass that when electrically charged it "frosts" so that you cannot see through it. I am trying to find a manufacturer for this type of glass. Any help that anyone can give me would be appreciated.
prepare yourself for some serious sticker shock.
there are different technologies and terms, here is a good article that describes the differences between the types of technology available and the terms used to describe them. privacy versus light different technologies.
read the article then try searching the terms for the technology that you're interested in, there is also a manufacturer's tab with the article.