
This boy is chasing a butterfly - time to end this madness. Close your left eye and look at the boy with your right eye. Then move your head closer to or further from the screen until ... the butterfly disappears ! You can't see the butterlfly because it's exactly in front of your blind spot, the place where the optical nerves enter the eye.
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swathi - Wednesday 30 March 2011
elaine - Wednesday 6 April 2011
awsome cool
em - Friday 19 August 2011
cant perform the instruction.,hehe