At this point, what you’ve got is a holographic image (a pattern) on the holographic film; but you can’t see the image of the object. If you look at the film, all you can see is a bunch of nothing – indiscernible waves.

You may remember a craze in the 1990’s about so-called “3-D pictures.” These were pictures where, if you looked at them normally, all you could see was… nothing, really. Just a bunch of wavy lines.