Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold, The science behind the controversial blue black, gold white dress Sleeveless Medieval Dress Gold Dark Blue Origin of White Gold or Black Blue Dress Business Insider Internet debates that blue dress (it is blue, right?) The Seattle Times The Science of Why No One Agrees on the Color of This Dress WIRED