San Francisco Chronicle | Real space travel much cooler than 'Gravity' CNN International (CNN) -- Sometime around the mid-1990s, the reality show was born. Since then, the genre has taken the world by storm: Audiences continue to love these shows and they cost next to nothing to make (cheap video, cheap sets, amateur "actors," etc.). So the ... Could 'Gravity' happen? Astronauts explain the science and fiction 'Gravity' Sound Effects On Display In Fascinating New Behind-The-Scenes Video ... Movie Review: 'Gavity' and retorts by Neil deGrasse Tyson |

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