British Think Tank Revives 40-year-old Plan to Build Space Colonies

The esteemed British Interplanetary Society is resurrecting an ambitious idea for creating giant orbiting homes in space. But to make it economically and technically feasible, it will have to rely on a plan devised by Gerard O'Neill back in the 1970s. » 12/03/13 2:40pm 12/03/13 2:40pm