b'Mirrors don\'t let you see things that aren\'t there, they let you see things from an entirely different position! Your image in a mirror is what someone else would see if they were standing behind the mirror. It\'s all a matter of tracing the path of light from your eye to an object, or from the object to your eye.
Science Theater Episode 28:Mirrors and Images
If you haven\'t seen it yet, be sure to visit my new home page at: www.ScienceTheater.net!'