http://i78.photobucket.com/albums/j106/Haroundb/illu001_small.gif

None of these circles is moving...Check your eyes!


Full image (http://elmour.pwp.blueyonder.co.uk/illusions/images/illu001.gif)
[Click on link then press F11 for full screen]

ok that hurts!!!!

thanks for sharing :)

We studied that as part of graphic design course. it's not easy to come up with such concepts btw.

What about this one?

http://www.johnsadowski.com/big_spanish_castle.php#

leave the mouse off the picture, stare at the spot, then slide the mouse onto the pic.. then move your eyes...

what's the trick????

heys fengy,.. does it change from color to grayscale?? am I seeing right?

What about this one?

http://www.johnsadowski.com/big_spanish_castle.php#

leave the mouse off the picture, stare at the spot, then slide the mouse onto the pic.. then move your eyes...

thats a good one as well. for a sec i thought there were 3 images (color, b and w , and that brownish yellow one)..but there's only two (b and w , and brownish yellow).

Luminosity illusion ... Thanks Fengy for sharing, that was really so much inspiring.