Best 7 optical illusions of 2015

Mark Frauenfelder

9:30 am Mon, Dec 28, 2015

Is this cat going up the stairs or down the stairs? And what is in the woman’s drinking glass below? Here are the top 7 optical illusions of 2015.

To me to you. pic.twitter.com/2guLlvYKma
— Solita Restaurants (@SolitaNQ) November 18, 2015

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