Brain function test
We both watched it for a while and saw different things at the same time.
http://www.news.com.au/perthnow/story/0,21598,22492511-5005375,00.html?from=mostpop
I saw it go clockwise for quite a few minutes before I saw it flip to counterclockwise while my sweetie saw it first as counterclockwise, with several subsequent flips (I credit his ambidextrous nature for that).
http://www.news.com.au/perthnow/story/0,21598,22492511-5005375,00.html?from=mostpop
I saw it go clockwise for quite a few minutes before I saw it flip to counterclockwise while my sweetie saw it first as counterclockwise, with several subsequent flips (I credit his ambidextrous nature for that).