clockwise or anticlockwise?
well according to Michael Pickard and Gurpreet Singh, the creators of
"The Windmills of Your Mind"
illusion, the dots of the windmill are always at
constant speed and direction throughout the video clip, so why did your mind see both clockwise and counter-clockwise
movement? The answer, the two researchers at the University of Sunderland,
United Kingdom, said, is that perceived direction is changed when the dot pitch
is changed (by removing alternate dots or using alternate light and dark
colors), well it fooled me.
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