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Elon Musk says Earth economy is less than trillionth of a Kardashev Type 2 economy

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  • Elon Musk said Earth’s economy is smaller than one-trillionth of a Kardashev Type 2 economy.
  • September 24, 2026, Musk posted the claim on X while quoting Andrew Chen.
  • Nikolai Kardashev proposed three civilization types in 1964, based on energy use.
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