Replies to This Discussion

Permalink Reply by Natalie A Sera on September 14, 2011 at 1:12pm

I don't get it. All I saw were faces flashing, whether I looked at the central point or at the faces. What was I SUPPOSED to see?

Permalink Reply by Ruth Anthony-Gardner on September 12, 2011 at 3:23pm

This is called the Motion Aftereffect. 

Surprisingly Potent Illusion

 

Permalink Reply by Jim DePaulo on September 14, 2011 at 10:39am

This is an interesting illusion - the green and blue colors are actually the same.

Permalink Reply by Ruth Anthony-Gardner on September 14, 2011 at 1:47pm

That's amazing. They apparently aren't even close in hue!

Permalink Reply by annet on September 15, 2011 at 12:43pm

they look nothing alike. wierd.  the mind plays tricks.

 

I love the spinning lady. If I blink a lot she switches directions.

 

Permalink Reply by Natalie A Sera on September 15, 2011 at 2:12pm

Interesting to me is that if I look at the outside edges of the blue spirals, they DO look green to me, although not the same shade as the green ones, but as I follow the spiral into the center, the green turns to blue. I wonder if the image were spiraled out far enough, whether the edges would then look like the same color, which leads me to wonder whether it is the proximity of the color changes that turns it into an illusion!

Permalink Reply by Ashleigh Carter on October 12, 2011 at 2:05pm

The same COLOR?? No way! OOoooo I see how they did that. Sneaky.

Permalink Reply by Johan Fruh on September 15, 2011 at 3:08pm

Wow, those spirals are amazing. I had to zoom up really really close to be certain that the green and blue were really the same color.. my head hurts now.

 

My favorite illusion remains this very simple one, I imagine most of you already saw it:

 

tile A and tile B are exactly the same color.

Permalink Reply by Natalie A Sera on September 16, 2011 at 12:19am

I went to the site, and it's GREAT! I just wonder how these maniacs manage to CREATE such things -- they would NEVER occur to me. There is obviously some special kind of genius involved! :-)

Permalink Reply by Ruth Anthony-Gardner on September 16, 2011 at 12:31am

This one is fantastic! The Bill Gates movement illusion, from switching between positive and negative images also blew my mind.

Permalink Reply by Ruth Anthony-Gardner on September 16, 2011 at 1:16pm

Creepy, and it's the same illusion technique. thanks.

Permalink Reply by Ruth Anthony-Gardner on October 9, 2011 at 1:13pm

Inside the Secrets of Illusions and Memory
"Zigzag disks appear to move, thanks to afterimages of complementary colors in our peripheral vision."

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