Also known as hard SF, hard scifi, hard sci-fi
science fiction with emphasis on scientific or technical detail, or on scientific accuracy
硬科幻（英语：Hard Science Fiction，简称Hard SF）又叫硬核科幻，是科幻文学分支，相对于软科幻，硬科幻强调科学细节和逻辑推导的合理性。於1957年首次提出硬科幻這個名詞。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).