Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained Why did some people see a gold and white dress? Our Brain What I never understood was if some folk saw the original dress as white gold & some saw it as black blue then how do side by side images like this exist showing them as two Color scientists explain the dress that went viral RIT