The optical illusion here:
http://scienceblogs.com/cognitivedaily/2008/02/what_illusions_tell_us_about_t.php
is very interesting. Look at the two ‘donuts’. The centers seems to be flashing out of phase with each other. In fact, they are flashing in phase with one another and it’s just the distraction of the surrounding ‘doughnut’ which throws off our visual perception system. It’s also possible to play with certain parameters and see the effects.
where the hell is the donut?? i need help, my eyes are a bit retarded. 🙂
You should credit the artists!
done! Thanks for the comment. There were credits in the ‘hover over’ if you mouse’d over, but this is a bit clearer.