spinner
- mark 2-17-2011 8:26 am

Much easier to control that one yeah?
- jimlouis 2-17-2011 12:53 pm [add a comment]


i get some of them going in opposite directions.
- linda 2-17-2011 1:55 pm [add a comment]


the two on the sides go in opposite directions and the one in the middle can go either way depending on which one of the striped spinners I stare at first
- ken 2-17-2011 2:34 pm [add a comment]


Months ago I actually downloaded that spinner gif and looked at it frame by frame trying to figure out what the heck was going on. I still couldn't really parse it out. But this demo, with the colour coding, makes it pretty clear how the illusion functions. Thanks!
- sally mckay 2-17-2011 5:15 pm [add a comment]





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