10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress The white and gold dress, and the illusion of free will Felipe Contreras ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive How "The Dress" Became an Illusion Unlike Any Other Scientific American