The 'uncanny valley' is a phenomenon coined by robotics expert Masahiro Mori in 1970. The term is based on the valley shape in a graph, depicting the relation between an object's degree of resemblance to a human being and the emotional response to that object. The more an object LOOKS like a human (but isn't), negative feelings like discomfort, unease and even fear increase. In this video we will explore why the sight of humanoid robots evoke these unsettling feelings. Especially with the rise of artificial intelligence and robotics an interesting phenomenon to dive into.