The 5 Most Scientifically Plausible Sci-Fi Movies

By Benjamin Radford -- Special to Newsarama Great science fiction isn't just about gooey aliens and gee-whiz technologies like teleporters. Unlike, say, the ever-popular fantasy genre, sci-fi is often grounded in the human condition and based on plausible-if speculative-science. Of course, some science fiction films are more plausible than others: Would the Galactic Empire really have enough manpower to build (and then rebuild) the Death Star ... more 

By Benjamin Radford -- Special to Newsarama Great science fiction isn't just about gooey aliens and gee-whiz technologies like teleporters. Unlike, say, the ever-popular fantasy genre, sci-fi is often grounded in the human condition and based on plausible-if speculative-science. Of course, some science fiction films are more plausible than others: Would the Galactic Empire really have enough manpower to build (and then rebuild) the Death Star in the "Star Wars" films? While legions of sci-fi nerds debate that question, here's are flicks that stand out: less