Honey, where's the dramamine?
A crackerjack illusion which I'm unable to look at for more than a few seconds.
My tentative explanation to a friend:
"I'd hazard that there are slight differences in each image and when your eye
saccades from one spot to another it finds a rotated version of what it had just observed,
producing the illusion of turning." On reflection I thought that this would imply an integrated rotation rate of 0, while from memory I thought all the rotation was in one direction, but on careful brief inspections I think 0 is correct.
The authoritative gobbledygook for those too mesmerized or migraine-apt to notice the link.
My tentative explanation to a friend:
"I'd hazard that there are slight differences in each image and when your eye
saccades from one spot to another it finds a rotated version of what it had just observed,
producing the illusion of turning." On reflection I thought that this would imply an integrated rotation rate of 0, while from memory I thought all the rotation was in one direction, but on careful brief inspections I think 0 is correct.
The authoritative gobbledygook for those too mesmerized or migraine-apt to notice the link.
posted by rilkefan at 22:58
1 Comments:
Here is a truly puzzling illusion thats easier on the eyes but very hard on your mind.
http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html
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