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31,653 books
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120,510 voters
Two economists are walking along the street, and one says, “Hey, someone dropped a $20 bill!” and the other says, “Well, it can’t be a real $20 bill because someone would have picked it up already.”
Hard SF
— 1181 members
— last activity Dec 30, 2025 01:03AM
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
Scott’s 2025 Year in Books
Take a look at Scott’s Year in Books, including some fun facts about their reading.
528 books
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68 friends
1,947 books
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84 friends
978 books
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74 friends
41 books
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20 friends
207 books
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80 friends
48 books
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6 friends
15 books
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20 friends
741 books
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24 friends
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