Saturday, November 03, 2007

Optical illusion?

How far do you agree with this?

5 comments:

doc said...

optical illusion??

i thought this was the opening scene of the latest James Bond movie!

Chen said...

i can see her rotating both ways :)

Chen said...

i mean clockwise, then anti clockwise, clockwise again etc.. :)

stay-at-home mum said...

I only see her turning anti clockwise first, then clockwise and then anti and then clock-wise. My eyes playing tricks on me?

Iml said...

The two-dimensional image does not contain enough three-dimensional information to tell the brain which way she is spinning. So your brain dutifully fills this in. The brain can do it on of two ways. If you concentrate on the spinning legs you will realise.