A time travel experiment that was supposed to produce a window into time turns out to be a portal instead. One of the experimenters steps through into a not-too-distant-future world that has been destroyed by nuclear war. Some of the others follow, but then the portal phases out and they can't get back. Things just get worse after that. They run across a rocket that has landed to escape pursuing enemies, bearing scientists who survived the war, and many android "slaves." The time trav ...[Read Story ]