The Cognitive Kardashev Scale: Quantifying the Material Envelope of Civilisational Computation

In three linesTheoretical paper proposing a Cognitive Kardashev Scale to quantify AI compute capacity civilisations could sustain. Based on four parameters (total power, cognition share, energy efficiency, brain reference), the study estimates current humanity at K≈0.73 (Type I). At Type I with 1% power allocation, each human would have access to one personal AI's worth of cognition.

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