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Slightly off-topic, here, but I see lots of these optical illusion posts on the web, and although some of them are pretty impressive, this one borders on voodoo. I had to run my mouse pointer over the blue traces a few times to persuade myself. I’ve overlaid some big yellow circles on the original image, which you can see, below, after the jump, to save you the trouble. [via Neatorama]


Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.

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