> > In the recent Big Brother on Ch4 there was a screen in the shower/toilet
> > area that was clear but frosted over when closed and one of the housemates
> > said he had been in a bar with similar doors on the toilet cubicles which
> > were clear when open but frosted when closed and they had a sort of
> > shattered effect ..
> >
> > Anyone know how these work???
> >
> > Stuart
> >
> > --
> >
> > "YESTERDAY is history,TOMORROW is a mystery,TODAY is a gift
> >
> > That is why it is called the present "
>
>
> Yes, they use liquid crystal technology and an electrical controller to
> change the glass panel between clear and opaque.
>
> More info here
formatting link
> It's quite expensive!
>
> Smudger
>
>
Actually, that should read "transparent and translucent" not "clear and opaque".
Smudger