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1monster

(11,045 posts) Tue Nov 20, 2012, 05:49 PM Nov 2012

Really cool optical illusion

but I'm seeing purple dots all over the place now...

7 replies

= new reply since forum marked as read

Highlight:

Really cool optical illusion (Original Post) 1monster Nov 2012 OP

??? agracie Nov 2012 #1

Don't the yellow dots look like they're moving to you? cyberswede Nov 2012 #2

Aha !!! Yes. n/t agracie Nov 2012 #3

Stare at the yellow balls for a minute ashling Nov 2012 #4

I too see the purple dots..but they are very fleeting angstlessk Nov 2012 #5

ok.. How come the circle of dots you focus on annabanana Nov 2012 #6

I believe it is called simultaneous contrast. applegrove Nov 2012 #7

agracie

(950 posts)

1. ???

Reply to 1monster (Original post)

Tue Nov 20, 2012, 06:14 PM

Nov 2012

A little hint, please...

cyberswede

(26,117 posts)

2. Don't the yellow dots look like they're moving to you?

Reply to agracie (Reply #1)

Tue Nov 20, 2012, 06:20 PM

Nov 2012

It kinds hurts my eyes.

agracie

(950 posts)

3. Aha !!! Yes. n/t

Reply to cyberswede (Reply #2)

Tue Nov 20, 2012, 07:04 PM

Nov 2012

ashling

(25,771 posts)

4. Stare at the yellow balls for a minute

Reply to agracie (Reply #1)

Tue Nov 20, 2012, 07:09 PM

Nov 2012

the focus on the purple area around them .... you start to see purple dots

angstlessk

(11,862 posts)

5. I too see the purple dots..but they are very fleeting

Reply to 1monster (Original post)

Tue Nov 20, 2012, 07:33 PM

Nov 2012

annabanana

(52,804 posts)

6. ok.. How come the circle of dots you focus on

Reply to 1monster (Original post)

Tue Nov 20, 2012, 09:05 PM

Nov 2012

stay still.. and the others stop spinning after a second?

urg

applegrove

(132,222 posts)

7. I believe it is called simultaneous contrast.

Reply to 1monster (Original post)

Tue Nov 20, 2012, 09:23 PM

Nov 2012

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