ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Neuroscientists Explain Discrepancy Behind "The Dress" Illusion Women's Blue Floral Dresses Nordstrom Rack The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had