Colonies Will be Built in Space

...the goal of planet colonization has been challenged by a radically different notion of the Final Frontier Created by Princeton professor of physics Gerard K.O'Neill, this new concept is based on one of those revolutionary propositions that are so simple they seem self-evident. The surface of a planet, O'Neill asserts, is not a very good place to house a post industrial society. Free space itself, he says, ist he natural ecological habitat for a high energy, high-growth technological specie...