July 18, 2012July 14, 2012Multiple Meanings

Playful Cat or an Angry Critter?

Admit it, what did you see first when you opened this article? Was it a cat or…. an upside-down cat? Just kiddin’, are you able…

June 19, 2012September 29, 2015Billboards

Thatcher Effect Optical Illusion

The Thatcher effect or “Thatcher illusion” is a phenomenon where it becomes difficult to detect changes in an upside down face, despite identical changes being…

March 23, 2012March 13, 2014Art Installation

Spinning Thread Into Illusions

What can you do with a few hundred spools of thread in various colors? If you’re Devorah Sperber you can make amazing upside down portraits…

October 27, 2011October 27, 2011Spot The Object

Vintage Quaker Oats Puzzle

As seen on Deceptology blog, company called Quaker Oats published an interesting advertising booklet way back in 1895. This vintage booklet contained 25 nursery rhymes,…

August 2, 2011March 13, 2014Anamorphosis

Cool Upside Down Illusion Glasses

These Heads Up Juice Glasses (which can be found in our partner store) come with two glasses consisted of multiple meaning illusions, one featuring a…