This page contains some visual illusions collected from the web.
Unless otherwise indicated, images on this page are from Akiyoshi's illusion pages (2002 〜 2011) © by Akiyoshi Kitaoka. @ www.ritsumei.ac.jp…. (used with permission)
Hinton's “Lilac Chaser” (2005) By Jeremy L Hinton, Michael Bach. @ www.michaelbach.de…
This website is really trippy, at: Source www.neave.com. It demonstrates motion after effect, which is not entirely understood.