You are about to see an animation of a startling paradox of mass and space, so flagrant a
violation of what Einstein said about matter that it is protected by US Patent 5,580,056.
The sequence show a 3-dimensional structure composed of a number of pieces gradually
coming apart and then reassembled into the same wedge-like structure, without gaps, but
with one of the pieces left over. Impossible? See how quickly you can guess which one
is the left-over piece. These are unretouched pictures of a physical model.

In clicking Yes, below, you acknowledge that you will not infringe on this patented
material by using the following pictures for commercial purposes.

Yes