오멜라스라는 이름을 대체 어디서 따왔을까 궁금해서 찾아보니 http://en.wikipedia.org/wiki/The_Ones_Who_Walk_Away_From_Omelas Le Guin hit upon the name of the town on seeing a road sign for Salem, Oregon, in a car mirror. 라는군요. -,.- When I try to study tensors in general relativity my eyebrows generally get relatively tenser and tenser.