The Dynamic Ebbinghaus Illusion

Estimation,Video 30 May 2014 0 Comments

The Dynamic Ebbinghaus Illusion

The 10th annual edition of the Best Illusion of the Year contest was held on May 18, 2014 in St. Petersburg, Florida.  Taking home the prestigious first place prize were Christopher D. Blair, Gideon P. Caplovitz, and Ryan E.B. Mruczek from the University of Nevada Reno.  Their illusion was a new twist on an old […]

Trioroboro Anamorphic Illusion

Anamorphosis 24 March 2014 0 Comments

Trioroboro Anamorphic Illusion

Mach505 from Truly Design created this anamorphic painting using acrylic and spray paints on the floor and walls of an abandoned school near Torino, Italy.  The painting features an uroboros (an ancient symbol depicting a snake eating its own tail) which symbolizes continuity and represents the cyclical nature of things. Additional photographs of this painting […]

Turning Wheel Optical Illusion

Animation 17 March 2014 0 Comments

Spinning Wheel Optical Illusion

Which way is this wheel on this old postcard turning?  Are you sure?  Stare at it for a little while and you might find that the direction the wheel is rotating in will change. If you stare up at a ceiling fan while it is spinning, you can replicate this strange effect. (via

Twisting Spiral

Estimation,Motion 13 January 2014 0 Comments

Twisting Spiral by Gianni Sarcone

Take a look at the spiral created by Gianni A. Sarcone below.  Does it appear to be moving in a clockwise direction? Now start on the outside and follow the lines that make up the spiral around in a clockwise direction.  Do they spiral to the middle?  Or is this really made from a series […]

Pinna’s Illusory Intertwining Effect

Estimation 9 December 2013 0 Comments

Pinna's illusory intertwining effect

This figure looks like a warped spiral made up of white and black squares on a gray background.  If you examine it more closely, however, you will find that it is actually made up of four concentric circles.  This illusion was first described by Baingio Pinna and Richard L Gregory in a 2002 article titled […]

Impossible Ring to Pillars by Guido Moretti

Animation,Impossible 4 July 2013 0 Comments

Impossible Ring to Pillars Thumb

Italian sculptor Guido Moretti created the following sculpture titled ‘Impossible Ring to Pillars’.  When viewed from one direction, it looks like an impossible ring (or circle) and when viewed from another it looks like impossible pillars.  If you stand in between these two viewing angles, it looks like a tangled mass of metal.  By rotating […]

The Coyote Illusion

Estimation,Video 23 May 2013 0 Comments

The Coyote Illusion

Presented below is a video that was another finalist for the 2013 Best Illusion of the Year contest hosted by the Neural Correlate Society.  The video shows four yellow circles spinning at the same speed around both the Roadrunner and and the very hungry Coyote.  Watch what happens when the four circles spinning around the […]