Let's say you have just completed a computer simulation or numerical modeling of a complex system in your physical or chemical research. The data are likely to be delivered back to you in the form of mountains of Z‐fold computer printout or stacks of Calcomp plots. Rather than picking your way through all this paper, why not turn the material into a short movie that can be projected over and over again, fast or slow, to show you whatever trends, discontinuities and so on your model possesses?