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Ouchi Illusion


ouchi illusion

This is another optical illusion that should be included on every study of the history of optical illusions. It is named Ouchi after the person who invented it. There are many things going on in this picture that add to the illusion. First, the circular shape leaves the edges ambiguous to our eyes, so we can't tell quite where the image begines and where it ends. This will cause the illusory movement that you see. Another thing about this optical illusion is that our eyes might perceive all the bars to be the same size, as if we are looking through a hole in the middle of the picture, and the bars are farther away in the middle. As if we are looking through the aperature of a camera lens. This also works well if you print it out on a peice of paper and move the paper around!

This is such an under-rated optical illusion. A true classic that everyone needs to see! Stare at it and scroll your browser window up and down! Another thing you can do is to move your head left and right, that's right, use those casters on your desk chair and work it, work it! You've got to move it move it!

How it works:
It has something to do with the fact that your eyes and brain cannot figure out that this picture is really flat, together, they want to perceive it as a 3-d ball in the center, or that these two shapes would normally be sitting on top of eachother, and not be the same object.

Also spelled with the little vertical line over the O, like this: Ōuchi illusion. Ōuchi was the artist that first published this illusion, and so he named it after himself! Hajime Ōuchi was from Japan and published it in 1973.

 


Best of the Best (our newest original optical illusions)
Diamonds appear to be the same shade. But they're not!

Same Shade Diamonds

Wow! It will look like the diamonds on the top are much darker than the diamonds on the bottom.

Perfect and printable! This is a very strong optical illusion, and is even noticeable in the small image to the left. Doesn't it look like the top row is considerably darker than each successive row?

moving red spiral

Moving Red Spiral
Sometimes, while I'm just playing around in Photoshop, something appears, as if by magic. This illusion was one of those that just jumps off the page.

It's a large red spiral on a purple background that appears to jump and move. Works better for some people than others, but if you like the moving illusions, you'll love it! Although this small image might move a bit as you read these words, the larger versions are even better!

» Moving spiral image...

9/13/2011 - Floating Wood Blocks Video
Created these floating wooden blocks and attached them to a globe. Watch the video and see how the blocks follow the camera! Pretty amazing!

You can launch the video on this page, or go to the page that describes it a bit more View the video...

moving backgrounds

Moving Backgrounds

It moves! You must zoom in to get the full illusion. You'll see the rings rotate, even though they are not moving at all.

We've created several sizes so you can use as your desktop background.

 

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