The three laws of Robotics: 1) A robot may not injure a human being or, through inaction, allow a human being to come to harm 2) A robot must obey orders given to it by human beings except where such orders would conflict with the First Law. 3) A robot must protect its own existence as long as such protection does not conflict with the First or Second Law. With these three, simple directives, Isaac Asimov changed our perception of robots forever when...

An up-to-the-minute examination of the circumstances that mark the beginning and end of the lives of stars.

El hombre se ha dispersado por toda la galaxia. La capital del Imperio es Trantor, nido de intrigas y corrupcion. Gracias a su ciencia, fundada en el estudio matematico de los hechos historicos y el comportamiento de las masas, el psicohistoriador Hari Seldon preve la caida del Imperio y el retorno a la barbarie durante varios milenios. A fin de reducir este periodo de barbarie a mil anos, Seldon decide crear una Fundacion en un extremo de la galaxia....

A band of psychologists plant a colony to encourage art, science, and technology in the declining Galactic Empire.