News and Views

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Optical Illusion

February 13th, 2006 · 7 Comments

This is a pretty cool illusion.
Stare at the center cross. What happens to the pink circles?

Stare at the center cross.  What happens to the pink circles?

There are lots more here. I know some of you have seen some of these before, but this pink dot one was new to me.

Tags: Computers, Tech & Science

7 responses so far ↓

  • 1 Donna // Feb 13, 2006 at 8:37 pm

    I’m interested to know what Richard and Brian see here.

  • 2 Richard // Feb 13, 2006 at 9:29 pm

    The same thing you see. That’s a neat one.

  • 3 Mom // Feb 16, 2006 at 10:00 pm

    I can make all the pink balls go away for several rounds, with only the green ball orbiting the circle, and then all of them have a green halo around each ball. Does everyone see that?

  • 4 Don // Feb 16, 2006 at 10:20 pm

    At first I see the green orbiting and the pink. Then the pink goes away and I just see the green orbiting. I think that’s what most people see.

  • 5 Daryl // Feb 17, 2006 at 8:53 am

    The main effect I see is like Don describes. Although as my eye flickers a little, the pink tends to fade in and out with green edges.

  • 6 Jocelyn // Feb 25, 2006 at 6:19 pm

    hey, how come I’m not on yer Blogroll?

  • 7 Daryl // Feb 25, 2006 at 7:27 pm