A new optical illusion forcing all of us to stare at the computer screen is giving nothing but headaches.
There is supposed to be a total of 12 dots at the intersections of the diagonal gray lines. TWELVE! But for some reason our eyes can’t seem to spot more than maybe 2 dots at once.
There are twelve black dots at the intersections in this image. Your brain won’t let you see them all at once. pic.twitter.com/ig6P980LOT
— Will Kerslake (@wkerslake) September 11, 2016