Topics: Barrow Scale, Kardashev Scale, Exoplanets, SETI The Kardashev Scale is a discussion, and ranking of civilizations based on energy output: Type I: able to marshal energy resources for communications on a planet-wide scale, equivalent to the entire present power consumption of the human race, or about 1016 watts. Here, Carl Sagan begged to differ, due to powerContinue reading “Nano, to Planck…”