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Remember the babel fish from A Hitchhiker’s Guide to the Galaxy? The little psychic parasite that spacefaring peoples put in their ears to translate the people around them? You’ve probably read/watched/played dozens of stories with similar mechanics – some kind of magical or technological universal translator. It’s an interesting concept, but sadly one largely unexplored by the writers who employ it, and its use is generally limited to handwaving the question of “why do all these characters speak the same language?”