The dress – Wikipedia: https://en.wikipedia.org/wiki/The_dress
The science behind the dress colour illusion -The Guardian: https://www.theguardian.com/technology/blog/2015/feb/27/science-thedress-colour-illusion-the-dress-blue-black-gold-white
This shoe is the most maddening optical illusion since “The dress” – CNN: http://edition.cnn.com/2017/10/13/health/teal-gray-shoes-the-dress-optical-illusion-trnd/index.html
