optical illusions

hellokitty · Sep 29, 2007

1)Look at this image and decide if you think the grey lines are straight or not...

2)Stare intently at the black dot in the centre of this image and watch the grey shadow disappear...

3)Just in case you aren't feeling ill enough already, check this one out. To enhance the effect scroll up and down...

hellokitty · Sep 29, 2007

comments please!!!!!!!!!

akila101 · Sep 29, 2007

last one is kl
i hv seen 1st 2 b4

thx

hellokitty · Sep 29, 2007

shaaj · Sep 29, 2007

CHECK DIS TREAD BRO...

http://www.elakiri.com/forum/showthread.php?t=45952

dasun · Sep 29, 2007

last one is cool bro

funkoluwa · Sep 29, 2007

its cool kitty thnx

hellokitty · Sep 30, 2007

See this image appear to shimmer as you look at it? If that's not enough follow the ridge around the circle and watch it change into a groove...

OK, a very straight forward test for you. Simply read out loud the following list of colours, remembering to read the text only...

hellokitty · Oct 1, 2007

do u see 1 man or two persons?

http://img229.imageshack.us/img229/5055/opticalillusion4qp1.jpg

dexter.morgan.666 · Oct 1, 2007

Each of the 3 curves shown above are sections of the circle.
Which would form the largest circle though?

Checker Shadow Illusion

This fantastic illusion was created by Edward Adelson.
Incredibly, both A and B are the same shade of grey. These type of optical illusions usually just use simple contrast to fool the brain, but this illusion employs two effects. First of all, it plays tricks on the mind thanks to the dark shadow contrast around B - but the effect is reinforced by the bright white background contrast near A.
With some 'training', it is possible to see both A and B as the same shade, but otherwise you might want to import the picture into a paint package to prove it to yourself.

gayandinusha · Oct 1, 2007

thx ela ela

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