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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.
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