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Q&A Does the Kardashev scale have points below zero?

There's a Kardashev scale in which Earth civilisation is at 0 (the lowest) level with all following levels being purely hypothetical and describing civilisations more advanced than human. Is there...

4 answers  ·  posted 10y ago by trejder‭  ·  last activity 8y ago by trejder‭

Question evolution civilization kardashev-scale