Wow, What is the trick behind this!

[hulkman]

1 - Look at the red dot for 30-40 seconds.
2 - Then look at the ceiling or wall and start blinking rapidly.

What is the trick !

 

[Constant Phil]

That is freaky! Happened after only about 10-15 seconds for me

 

[Cometolearn]

i can't see any thing:S

 

[CammyD]

Haha that's cool :D.

 

[ceekeigh]

That's cool and amazing.

 

[Constant Sean]

ah the ol' photo negative eye trick....

 

[Apathetic]

Nothing happened for me well [pokerface]

 

[jamesrocky]

Wow I am seeing the actual positive image of that girl in front of my eye. Never see before Superb !!!!!

 

[Spartan]

it is called as light adaptation of Human eye

 

[hulkman]

i can't see any thing:S

Nothing happened for me well [pokerface]

Watch the roof guys... the more distant you are , the more larger the image. It works

it is called as light adaptation of Human eye

:O can you provide some info if its true