illusion 1 (the square) do you see the square? good. becuse it dosent exist! your brain created a whiter-than-white square. it took the wrong shortcuts that made the square illusion 2 (the roman pillar thingamajig) a basic impossible illusion. does it have three pillars or two pillars? illusion 3 (the red bending lines) the red lines arent actually bending! the backround suggests its bending. check it out wih a ruler
