Hmm... looks like your browser doesn't fully support all the goodness that is required for this experiment. To get the full effect, you need a browser that supports CSS3 3D transformations, currently they're only supported in the Webkit nightlies, Safari and Chrome (Mobile Safari works great too, so check it out on an iPod, iPhone or iPad).

But don't worry, all the major browsers should one day implement all the technologies required for this experiment, so maybe check back at a later date.

If you can't get to one of the browsers mentioned above, then check out this video Here.