10 Great Sci-Fi Tropes (and 5 That Should Be Shot Into Space)

Science fiction is a genre that's full of storylines, plot devices, and techno-jargon that would be considered ridiculous in the real world. But these tropes are effective, so we keep using them. Over and over again. That might sound like a bad thing--relying on tried-and-true sci-fi tropes instead of creating...