Source: Ann Swanson, 12 fascinating optical illusions show how color can trick the eye, The Washington Post, February 27, 2015, http://www.washingtonpost.com/blogs/wonkblog/wp/2015/02/27/12-fascinating-optical-illusions-show-how-color-can-trick-the-eye/?tid=sm_tw. The Internet erupted in an energetic debate a few days ago about whether an ugly dress was blue and black or white and gold, with celebrities from Anna Kendrick (white) to Taylor Swift (black) weighing in. […]