When you look at two objects close to you such as two leaves, it's easy to tell them apart but when they are farther away from you, they become difficult to distinguish. The two objects become ...

Surveys the principles of visual perception based on psychological research and everyday experience, and how they are related to the perception of art in particular. siris_sil_71454 ...

Anyone who has seen an optical illusion can recall the quirky moment when you realize that the image being perceived is different from objective reality. Now, scientists have designed a new illusion ...