Dont confuse these comments with mirror
one-way, mirrorpane and most reflective glass is made by fireing ions to the surface of one side of the glass (often tinted glass has a better reflective result with these coatings). The glass requires less light on the side to be viewed from normally 80% for privacy. When the lighting is reversed, often the reverse effect will take place. Chips in the glass should be avoided like a madman with a gun as thermal breakage is very common.
In order for you tank to work even partially, you would need strong lighting in the tank and for the room to be quite dark... is it worth while... I dont know, would I ever think of doing it in one of my tanks.... never