I often wonder how do they work.
Look at this for example
‘just keep looking at those 3 spot over the nose for 10 seconds and then raise ur head to the roof suddenly and watch the roof for next 20 sec… then tell me what did u see’
kya science hai? 
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Re: Optical Illusions
you scared the hell out of me.
Re: Optical Illusions
I did it many times didnt work 
Re: Optical Illusions
IT WORKS!
BELIEVE ME !
Re: Optical Illusions
I dont :nono:
Re: Optical Illusions
It worked for me!
Re: Optical Illusions
staring at the dots for ten seconds is long enough for the image to temporarily be imprinted on your retina. that is why you are still able to see the image when you move your eyes towards an empty space...that be the science behind it ;)
Re: Optical Illusions
She’s staring at me…THROUGH ME!! …and smirking. 
and what lexy said :k:
Re: Optical Illusions
haye rabba. So creepy.
Re: Optical Illusions
staring at the dots for ten seconds is long enough for the image to temporarily be imprinted on your retina. that is why you are still able to see the image when you move your eyes towards an empty space...that be the science behind it ;)
Yes, there is no magic to it lol
Notice the black and white is switched though I forgot why that happens.
Re: Optical Illusions
its called the negative afterimage effect ;) research it
Re: Optical Illusions
^Yea, I remember learning about it in psych but forgot it. Thanks for jogging my memory.
Re: Optical Illusions
okay lexxie, fair enough.
what about other optical illusions?
Re: Optical Illusions
http://flavor8.com/index.php/2007/06/26/spinning-woman-optical-illusion/
try this, some see her spinning clockwise some counter-clockwise
Re: Optical Illusions
^I've seen that one before. I see her both ways...sometimes clockwise and other times counter-clockwise.
