The viral dress, known as "The Dress," appeared differently to people: some saw it as blue and black, while others saw it as white and gold. This difference is due to how our brains interpret the ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The science behind the dress colour illusion Internet The Guardian The Dress: science explains why some see it as white and gold and others see it as blue and black White and Gold vs. Blue and Black Dress Physics Worksheet [PDF and Easel]