Optical Illusions

Check out '86 Optical Illusions & Visual Phenomena' at http://www.michaelbach.de/ot/.  This is a fun website with lots of things to do and play with.  According to Michael Bach himself at the top of the page:

These pages demonstrate visual phenomena, and »optical« or »visual illusions«. The latter is more appropriate, because most effects have their basis in the visual pathway, not in the optics of the eye. When I find the time I will expand the explanations, to the degree that these phenomena are really understood; any nice and thoughtful comment welcome.

Here's a list of the categories the phenomena are separated into:

• Motion & Time

• Luminance & Contrast

• Colour

• Geometric- & Angle Illusions

• Space, 3D & Size Constancy

• Cognitive- / Gestalt Effects

• Specialties with faces

  

Some History / What’s new

2010-01-03	Shaded diamonds
2009-12-30	Checker Bulge
2009-09-17	SAM
2009-06-08	Breathing Square
2009-04-13	Colour mixing
2009-02-13	Darwin Illusion