Physics, Science, Black Holes, Eyes, Modeling.
https://commons.wikimedia.org/wiki/Category:Rubin%27s_vase#/media/File:Face_or_vase_ata_01.svg In this Rubin’s Vase visual, one can see, rather with ease, both outcomes of seeing a Vase or seeing Two Faces. Note how the data is the same. It is the mind that can focus on one and not the other, and