Concept
Version 8
Created by Boundless
The Perceptual Process
Multistability
The Necker cube and Rubin vase can be perceived in more than one way. The vase can be seen as either a vase or two faces.
Source
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"File:Multistability.svg - Wikipedia, the free encyclopedia."
http://en.wikipedia.org/w/index.php?title=File:Multistability.svg&page=1
Wikipedia
Public domain.