1939-1945 aliencontact artificialintelligence biologists computercrimes computernetworks computerprogrammers conspiracies dune(imaginaryplace) exploration explorationofouterspace extraterrestrialbeings fiction general hackers hardsciencefiction history human-alienencounters imaginarywarsandbattles interplanetaryvoyages interstellartravel lifeonotherplanets magic man-womanrelationships peace piracy robots sciencefiction securitymeasures socialevolution spaceopera spacewarfare steampunkfiction survivalism terrorism treason virusdiseases worldwar