Illusions

[duskfrog]

OH WOW.

I could lose days staring at this website:
http://www.ritsumei.ac.jp/~akitaoka/index-e.html

thanks to the sneaky people over at cognitivedaily

http://www.ritsumei.ac.jp/~akitaoka/rotsnake.gif

http://www.ritsumei.ac.jp/~akitaoka/rollers.gif

http://www.ritsumei.ac.jp/~akitaoka/rotrays.gif

http://www.ritsumei.ac.jp/~akitaoka/sakuras2b.gif