The Blurry Heart Illusion

Motion 9 January 2013 1 Comment

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.

The Blurry Heart Illusion

This illusion was presented by Kohske Takahashi, Ryosuke Niimi & Katsumi Watanabe from the University of Tokyo (Japan) in 2010.  It was also selected as a finalist in the 2010 Best Illusion of the Year contest.

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Red Planet Stereogram by 3Dimka

Stereo 7 January 2013 No Comments Yet - Share Your Thoughts

Can you find the hidden image on the surface of Mars in this stereogram created by 3Dimka?

Red Planet Stereogram

If you are having trouble finding the hidden image, try reading through the stereogram viewing tips at 3DStereograms.com.  They should help get you on the right track.

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Bad For Your Eyes

Motion 4 January 2013 No Comments Yet - Share Your Thoughts

We’ll start off 2013 with a very colorful and powerful motion illusion.  The circles appear to swirl all around the purple background.  The television set in the middle says “I am Bad For Your Eyes”.  Is this message talking about the illusion or the TV itself?

Bad For Your Eyes

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Top 5 Optical Illusions of 2012

Miscellaneous 2 January 2013 1 Comment

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:

  1. Optical Illusion Compliments of Sandy
  2. Psychedelic Motion Illusion
  3. Ugly Celebrities Illusion
  4. Moving Mona Lisa Face
  5. Apple Logo Illusion

Which one is your favorite?  Did we miss one?  Add your thoughts in the comments.

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Depth Perception

Video 31 December 2012 No Comments Yet - Share Your Thoughts

Today’s video will demonstrate how certain visual cues help your brain to create the perception of depth.  Two playing cards are presented, but the one that appears to be furthest away is actually closer to you than the other.

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Dynamic Luminance Effect

Miscellaneous 28 December 2012 No Comments Yet - Share Your Thoughts

Look at the center of the following figure and move your head closer and further from the figure repeatedly.  Does the “white spot” toward the center of the image appear to get larger and smaller?

Dynamic Luminance Effect

The effect seen above  has also been called the “here comes the sun ” effect and is caused by a change in the apparent brightness.  More information about the Dynamic Luminance Effect can be found on PerceptualStuff.org run by D. Alan Stubbs.

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Christmas Tree Optical Illusion

Miscellaneous 26 December 2012 1 Comment

Patrick Kruger from Seattle brought a 14 foot Christmas tree home that would not fit into his house.  So he naturally did what anyone else would do…  he cut the top of the tree off and attached it to his roof.  A few deceptively placed shingles help create the effect that the tree is busting through roof of his home.

Christmas Tree Optical Illusion

Well done, Mr. Kruger!

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