Science of 'Star Wars': How Would Lightsabers, the Force & Hyperspeed Work?

Movies like the upcoming "Rogue One: A Star Wars Story" often blend science with fiction. To separate the two, a panel of scientists convened in Atlanta in September during Dragon Con to discuss the potential science of the overall "Star Wars" universe. Led by journalist Rachel Pendergrass, the speakers included astrophysicists Erin Macdonald and Roy Kilgard, engineer Andy Dykes and biologist Eric Spana.