In one of professor Akiyoshi Kitaoka’s latest works, each of the nine disks appears to expand.  This image can cause an uneasy feeling if you look it too long, so if you start to feel dizzy or nauseous make sure you scroll down or look away! The effect reminds me of that seen in the [...]

The orange and purple circles appear to be spinning in a counter-clockwise direction.

When it comes to creating motion illusions, Akiyoshi Kitaoka is in a league of his own.  In one of his latest examples below, titled Beating Heart, the pink and red heart appears to move on top of a green background.   If you slowly scroll the page up and down while looking at the image, it [...]

Today’s illusion is a variation of the Ouchi Illusion where the center circle appears to be unstable and float above the checkered background image.  This was created by French artist Daniel Picon.

Two red hearts are presented below on a blue background.  One of the hearts is “blurry” and the other is not.  As you move your eyes back and forth between them, the blurry heart appears to wobble (as if it were unstable) while the solid red heart does not. This illusion was presented by Kohske [...]

We’ll start off 2013 with a very colorful and powerful motion illusion.  The circles appear to swirl all around the purple background.

Happy New Year!  Everyone enjoys a good Top 5 list, don’t they?  Based on your ratings and feedback, here are five of the most popular optical illusions posted on An Optical Illusion in 2012: Optical Illusion Compliments of Sandy Psychedelic Motion Illusion Ugly Celebrities Illusion Moving Mona Lisa Face Apple Logo Illusion Which one is [...]