2 Responses to “Eyebenders”

  1. Heather Shaw

    I do not recommend these for people who have recently blacked out. Woah!

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  2. David D. Levine

    What fun! (But don’t stare too long. Urp!)

    This is an entirely new class of optical illusion to me. I wonder what it is about our visual cortex that makes them work? Do they work when printed out?

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