Anomalies

http://www.dailyedge.com/audio-equivalent-of-white-and-gold-blue-and-black-dress-4015463-May2018/

http://www.zenia.com/black-and-blue-dress/

(Plus interesting bad logic in using it to conclude support for moral relativism, i.e. if we can prove that some things are relative, then we should act as if they all are. 2+2=?)