On Mon, 13 Nov 1995, Gerry Smith wrote: > I need help locating the 3M Privacy Film or any other kind of glass that will > change colour in the presence of an electric charge (liquid crystal or > electrochromic is fine but lower the voltage is better). Anyone know a source > of these for a reasonable price? I don't need a very big size (less than > a square foot for sure). Any help will be greatly appreciated. > Edmund Scientific sells it, I don't know what the size is, but it's in their catalog. Chris