I have seen lots of variations on after-image illusions, but this is very nice.  It was sent to me by Pierre-P H.  Just stare at the red dot for about 20 seconds and then look at a white sheet of paper or white wall….

Did it work for you?


    1. Yeah I was only getting a quick flash of it when looking at white space on my monitor, but blinking quickly made it show up each time I blinked.

  1. Works very well, and is actually very easy to make – just make a negative of a picture, add a spot and you’re set.

    Just a few clicks and you can have an illusion with your girlfriend 🙂

  2. Not really an illusion though, is it? There was no surprise in what’s seen on the wall. There’s nothing impossible about it. Please don’t think me a troll but a magician wouldn’t be able to get away with this in his act. Would he?

    1. It’s not a magic trick, but it’s certianly an illusion. It causes your brain/eyes to see something that isn’t really there.

  3. I expected that the after-image would have a green spot on the nose but I do not see it. I don’t think it’s just because I’m distracted by other aspects of the picture.
    Has anyone seen a green after-nose?

  4. The tendency is to look the picture up and down while looking at the wall or paper, but it moves with your eyes, kind of disconcerting.

  5. It worked, and in full color!

    Tho this one begs the question, if I want to see a beautiful girl there are more direct ways than burning a negative image into my retina for a few seconds.

    1. Not likely. The hair in the negative is white, which would cause a black/dark ‘positive’ afterimage.

  6. Wow, the image would appear in color to me before I even got my eyes on the white sheet of paper. Don’t know why it works. Being curious, I opened the image in photoshop and inverted it so that it would have it’s true colors. To my surprise, it was exactly what I saw when I tried the experiment. Love to know why our eyes and mind work that way.

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