Remember the viral dress that divided the internet back in 2015? Was it blue and black, or was it white and gold? , For the first episode of our brand new podcast, Stories in Colour, join Professor Thedress: 'It's been quite stressful having to deal with it we had a falling out' Internet The Guardian so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive