RDKsoftware and web development

I've been fastinated for years with paintings or prints that confuse the eye. But I always assumed that for this to work correctly, the image must be analog. Today's higher resolution seems to have altered that.

Here is a series of flash animations that shows different ways that what is percieved by the eye can be affected by its neighbors.

http://web.mit.edu/persci/gaz/gaz-teaching/index.html