
: Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Zen Pencils and words of wisdom Pump up the galaxy Q BA : The Science of Science Fiction On Sunday , February 26, 2012, I did one of my Q BA live video chats on Google+ This one was a little different than usual : it was part of the online convention Dot Con Fest 2012 celebrating geek life . In honor of that , the topic was The Science of Science Fiction I talked about time travel , faster-than-light travel , Star Trek , Contact , Ringworld , Dyson spheres , artificial gravity , and a lot of other fun nerd topics . I got a lot more comments than usual , which was fantastic