When it comes to science fiction, there are two main pillars of the genre: soft sci-fi and hard sci-fi. Hard sci-fi is when scientific accuracy is used to create a plausible situation that hinges on actual chemistry, physics, robotics, whatever. Generally, these stories focus on a single scientific premise and run with it. Soft sci-fi, on the other hand, is full of "techno-babble" and more otherworldly adventures that are in some respects more akin to fantasy. It's with this distinction in mind that we've put this list together.
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