Rotating Grapes by Akiyoshi Kitaoka

Motion 11 August 2014 0 Comments

Rotating Grapes by Akiyoshi Kitaoka

As you move your eyes around this image, the purple and yellow grapes appear to rotate around in circles.  Be careful with this one, you might start to get a little bit dizzy if you look at it for too long! To see more rotating circles, take a look back at the motion illusion in […]

Crazy Circle Illusion from Brusspup

Video 27 July 2014 0 Comments

Crazy Circle Illusion from Brusspup

In this new video from Youtube sensation Brusspup, a group of eight balls can be seen rotating around in a circle.  If you focus on one individual ball at a time, however, you will notice that they are not rotating in a circle pattern at all.  Rather, each ball is moving in a straight line.  […]

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 […]