Open source software is considered by many to be a novelty and the open source movement a revolution. Yet the collaborative creation of knowledge has gone on for as long as humans have been able to co
Spatial competence is a central aspect of human adaptation. To understand human cognitive functioning, we must understand how people code the locations of things, how they navigate in the world, and h
This supplement to "Building Problem Solvers" contains the Common Lisp code examples referenced throughout the text. The code is available on disk and can also be downloaded via ftp.
A number of intellectual and literary events in Russia after 1953 led to a break in the code of Socialist Realism. Several courageous writers invoked sharp debate and attack by defending the individua
