Intense Optical Illusions
If you are feeling brave, have a look through this gallery of intense optical illusions, but beware, the images are funky enough that Akiyoshi Kitaoka's optical illusions come with a disclaimer.
Implications - Akiyoshi Kitaoka's Illustrations have make some people feel dizzy or even in some circumstances make people feel sick. The best way for you not to feel sick is to avoid looking at Akiyoshi Kitaoka's Illustrations. They are however something outrageous and sometimes being sick is worth it.