Prism

Prism idea cant really work..., wanted to project an image on to the prism in white light, then have the seperate colours that result interact to form some sort of animation, but this is difficult because you would have to have something moving that the images were being projected on to. and i don't know if it would work trying to project different coloured images from the right angles so that they make white light. I don't want to do that anyway.