Upon playing this video, the introduction warns the viewer as follows: Be aware! This video may cause temporary hallucinogenic effects. But please do not be afraid, these effects usually last a few seconds. The warning is overly dramatic, but it does produce a pretty amazing effect. And in case you are worried, rest assured that […]
The vibrant flowing colors of this peripheral drift motion illusion appear to swirl and move as your eyes move around the image. For another great motion illusion, have a look at the Psychedelic Motion Illusion. (via Kaia Nao)
Would like to take the time to wish everyone a Happy New Year! Based on your feedback, votes and shares on social media sites, here are the ten most popular optical illusions posted on An Optical Illusion during 2013. The illusions are listed in no particular order whatsoever. Click each post title to be taken […]
The yellow arrows on the purple background below appear to move independently to the left and the right. Specifically, the top and bottom rows of arrows seem to have the most significant amount of motion for me. If you are having trouble getting this static image to move, try staring at it while moving your […]
Over the past few months, we have had several requests for a mobile version of An Optical Illusion. We listened. Now you can view a simplified version of the site on your mobile device. At the bottom of the layout, you will also have the option to turn the new layout off and view the […]
In this work from Professor Akiyoshi Kitaoka, each of the four fields appears to expand and move toward you. Like all of these motion illusions, the more you move your eyes around the image, the stronger the effect. Try to hold your eyes still by looking at one location and the movement will cease. Visit […]
This illusion concerns apparent rotation generated by pure translation. Square patterns consisting of four segments appear to rotate when they move straightly at a constant speed across the grid background. More surprisingly, the rotations in opposite directions can be generated by exactly the same square patterns. This illusion might be explained by the well-known inchworm […]
