Below is a normal (not animated) gif file. If you are not convinced, make a printout. More on anomalous motion illusion: http://www.ritsumei.ac.jp/~akitaoka/index-e.html -------------- next part -------------- An HTML attachment was scrubbed... URL: /pipermail/all_trungduong.org/attachments/20050311/822a4d83/attachment.htm