Ask Lemmy@lemmy.worldEnglish · 5 days ago

Which of your favorite sci-fi tech seems achievable in a reasonable timeframe, say 100 years?

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Which of your favorite sci-fi tech seems achievable in a reasonable timeframe, say 100 years?

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Ask Lemmy@lemmy.worldEnglish · 5 days ago

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4 days ago
Orbital habitats with rotational gravity.

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