Karl Schroeder
（重定向自Thalience）
Karl Schroeder (born September 4, 1962) is a Canadian science fiction author. His novels present far-future speculations on topics such as nanotechnology, terraforming, augmented reality and interstellar travel, and have a deeply philosophical streak. One of his concepts, known as thalience, has gained some currency in the artificial intelligence and computer networking communities.