January 29, 2012 Tricky question of the day : What color shirt is this guy wearing? Edit Delete Tags Autopost via bitsandpieces.us
November 8, 2011 Illusion of the day : Look at this picture and it will disapear Edit Delete Tags Autopost via media.tumblr.com Also see http://en.wikipedia.org/wiki/Troxler%27s_fading
October 5, 2011 Focus on the red dot, the blue circle will disapear Edit Delete Tags Autopost via i.imgur.com
November 27, 2010 The blue and green are the same color (with proof) Edit Delete Tags Autopost via i.imgur.com